JME Training Academy - User contributions [en]

Van Stock Standards

2026-06-11T13:06:43Z

Morgan Allen: /* Consumer Unit Stock */

= JME Van Stock Standards =

== Purpose ==

To ensure all JME electricians maintain a consistent stock level to maximise first-time fixes and reduce unnecessary supplier visits.

== Essential Accessories ==

The following items shall be carried on every van:

* Single Socket
* Double Socket
* Switched FCU
* Unswitched FCU
* 1 Gang Light Switch
* 2 Gang Light Switch
* 3 Gang Light Switch
* Intermediate Switch
* Pull Cord Switch
* 20A Double Pole Switch
* Fan Isolator
* Single + Double Cooker Isolator
* Pendant Set

== Consumer Unit Stock ==

Minimum stock:

* B32 RCBO
* B16 RCBO
* B6 RCBO
* Spare Blanks
* Tails Gland
* Consumer Unit Labels

== Cable Stock ==

Minimum stock:

* 1.5mm² Twin & Earth
* 2.5mm² Twin & Earth
* 6.0mm² Twin & Earth
* 0.75mm² / 1.0mm² 2 Core Flex
* 1.0mm² 3 Core Flex
* 2.5mm² 3 Core Flex
* 1.5mm² 5 Core Flex
* 10mm² Earth Cable

== Connectors & Consumables ==

* Wago 221 Connectors
* Wago Boxes
* Electrical Tape
* Cable Ties
* Circuit Identification Labels
* Selection of Screws
* Red & Brown Wall Plugs
* Cable Clips (1.5mm², 2.5mm² & 6.0mm²)
* Compression Glands (20mm–32mm Range)
* SWA Glands (20mm–32mm Range)
* Brass Locknuts
* Earth Tags

== Testing Equipment ==

The following equipment shall be available at all times:

* Multifunction Tester
* Voltage Indicator
* Clamp Meter
* Socket Tester
* Lock Off Kit

== PPE Requirements ==

* Safety Boots
* Hi-Visibility Vest
* Safety Glasses
* Gloves

== Weekly Van Check ==

Every Friday, operatives shall check:

* Van stock levels
* Tester condition
* Calibration dates
* PPE condition
* First Aid Kit
* Vehicle cleanliness

Any missing stock should be replenished before the start of the following working week.

[[Category:Company Standards]]

Van Stock Standards

2026-06-11T13:06:21Z

Morgan Allen: /* Consumer Unit Stock */

= JME Van Stock Standards =

== Purpose ==

To ensure all JME electricians maintain a consistent stock level to maximise first-time fixes and reduce unnecessary supplier visits.

== Essential Accessories ==

The following items shall be carried on every van:

* Single Socket
* Double Socket
* Switched FCU
* Unswitched FCU
* 1 Gang Light Switch
* 2 Gang Light Switch
* 3 Gang Light Switch
* Intermediate Switch
* Pull Cord Switch
* 20A Double Pole Switch
* Fan Isolator
* Single + Double Cooker Isolator
* Pendant Set

== Consumer Unit Stock ==

Minimum stock:

* B32 RCBO
* B16 RCBO
* B6 RCBO
* Spare Blanks
* Consumer Unit Labels

== Cable Stock ==

Minimum stock:

* 1.5mm² Twin & Earth
* 2.5mm² Twin & Earth
* 6.0mm² Twin & Earth
* 0.75mm² / 1.0mm² 2 Core Flex
* 1.0mm² 3 Core Flex
* 2.5mm² 3 Core Flex
* 1.5mm² 5 Core Flex
* 10mm² Earth Cable

== Connectors & Consumables ==

* Wago 221 Connectors
* Wago Boxes
* Electrical Tape
* Cable Ties
* Circuit Identification Labels
* Selection of Screws
* Red & Brown Wall Plugs
* Cable Clips (1.5mm², 2.5mm² & 6.0mm²)
* Compression Glands (20mm–32mm Range)
* SWA Glands (20mm–32mm Range)
* Brass Locknuts
* Earth Tags

== Testing Equipment ==

The following equipment shall be available at all times:

* Multifunction Tester
* Voltage Indicator
* Clamp Meter
* Socket Tester
* Lock Off Kit

== PPE Requirements ==

* Safety Boots
* Hi-Visibility Vest
* Safety Glasses
* Gloves

== Weekly Van Check ==

Every Friday, operatives shall check:

* Van stock levels
* Tester condition
* Calibration dates
* PPE condition
* First Aid Kit
* Vehicle cleanliness

Any missing stock should be replenished before the start of the following working week.

[[Category:Company Standards]]

Van Stock Standards

2026-06-11T13:05:57Z

Morgan Allen: /* Essential Accessories */

= JME Van Stock Standards =

== Purpose ==

To ensure all JME electricians maintain a consistent stock level to maximise first-time fixes and reduce unnecessary supplier visits.

== Essential Accessories ==

The following items shall be carried on every van:

* Single Socket
* Double Socket
* Switched FCU
* Unswitched FCU
* 1 Gang Light Switch
* 2 Gang Light Switch
* 3 Gang Light Switch
* Intermediate Switch
* Pull Cord Switch
* 20A Double Pole Switch
* Fan Isolator
* Single + Double Cooker Isolator
* Pendant Set

== Consumer Unit Stock ==

Minimum stock:

* B6 RCBO
* B16 RCBO
* B32 RCBO
* Spare Blanks
* Consumer Unit Labels

== Cable Stock ==

Minimum stock:

* 1.5mm² Twin & Earth
* 2.5mm² Twin & Earth
* 6.0mm² Twin & Earth
* 0.75mm² / 1.0mm² 2 Core Flex
* 1.0mm² 3 Core Flex
* 2.5mm² 3 Core Flex
* 1.5mm² 5 Core Flex
* 10mm² Earth Cable

== Connectors & Consumables ==

* Wago 221 Connectors
* Wago Boxes
* Electrical Tape
* Cable Ties
* Circuit Identification Labels
* Selection of Screws
* Red & Brown Wall Plugs
* Cable Clips (1.5mm², 2.5mm² & 6.0mm²)
* Compression Glands (20mm–32mm Range)
* SWA Glands (20mm–32mm Range)
* Brass Locknuts
* Earth Tags

== Testing Equipment ==

The following equipment shall be available at all times:

* Multifunction Tester
* Voltage Indicator
* Clamp Meter
* Socket Tester
* Lock Off Kit

== PPE Requirements ==

* Safety Boots
* Hi-Visibility Vest
* Safety Glasses
* Gloves

== Weekly Van Check ==

Every Friday, operatives shall check:

* Van stock levels
* Tester condition
* Calibration dates
* PPE condition
* First Aid Kit
* Vehicle cleanliness

Any missing stock should be replenished before the start of the following working week.

[[Category:Company Standards]]

Van Stock Standards

2026-06-11T13:04:56Z

Morgan Allen: /* Essential Accessories */

= JME Van Stock Standards =

== Purpose ==

To ensure all JME electricians maintain a consistent stock level to maximise first-time fixes and reduce unnecessary supplier visits.

== Essential Accessories ==

The following items shall be carried on every van:

* Single Socket
* Double Socket
* Switched FCU
* Unswitched FCU
* 1 Gang Light Switch
* 2 Gang Light Switch
* Intermediate Switch
* Pull Cord Switch
* 20A Double Pole Switch
* Pendant Set

== Consumer Unit Stock ==

Minimum stock:

* B6 RCBO
* B16 RCBO
* B32 RCBO
* Spare Blanks
* Consumer Unit Labels

== Cable Stock ==

Minimum stock:

* 1.5mm² Twin & Earth
* 2.5mm² Twin & Earth
* 6.0mm² Twin & Earth
* 0.75mm² / 1.0mm² 2 Core Flex
* 1.0mm² 3 Core Flex
* 2.5mm² 3 Core Flex
* 1.5mm² 5 Core Flex
* 10mm² Earth Cable

== Connectors & Consumables ==

* Wago 221 Connectors
* Wago Boxes
* Electrical Tape
* Cable Ties
* Circuit Identification Labels
* Selection of Screws
* Red & Brown Wall Plugs
* Cable Clips (1.5mm², 2.5mm² & 6.0mm²)
* Compression Glands (20mm–32mm Range)
* SWA Glands (20mm–32mm Range)
* Brass Locknuts
* Earth Tags

== Testing Equipment ==

The following equipment shall be available at all times:

* Multifunction Tester
* Voltage Indicator
* Clamp Meter
* Socket Tester
* Lock Off Kit

== PPE Requirements ==

* Safety Boots
* Hi-Visibility Vest
* Safety Glasses
* Gloves

== Weekly Van Check ==

Every Friday, operatives shall check:

* Van stock levels
* Tester condition
* Calibration dates
* PPE condition
* First Aid Kit
* Vehicle cleanliness

Any missing stock should be replenished before the start of the following working week.

[[Category:Company Standards]]

Heating Fault Decision Tree (Core Diagnostic Flow)

2026-06-10T14:39:29Z

Morgan Allen: Created page with "= Heating Fault Decision Tree = == Purpose == To quickly identify whether a heating fault is caused by controls, wiring, or the boiler itself. --- == Step 1: Identify Symptom == * No heating at all * No hot water * Intermittent heating * Heating stuck ON * Boiler not firing --- == Step 2: Check Demand Exists == * Raise room thermostat above ambient temperature * Check programmer is calling for heating/hot water * Observe: ** Valve movement ** Relay clicks ** Boiler..."

= Heating Fault Decision Tree =

== Purpose ==
To quickly identify whether a heating fault is caused by controls, wiring, or the boiler itself.

---

== Step 1: Identify Symptom ==
* No heating at all
* No hot water
* Intermittent heating
* Heating stuck ON
* Boiler not firing

---

== Step 2: Check Demand Exists ==
* Raise room thermostat above ambient temperature
* Check programmer is calling for heating/hot water
* Observe:
** Valve movement
** Relay clicks
** Boiler attempt to fire

IF NO DEMAND:
→ Control issue (thermostat/programmer/wiring)

IF DEMAND PRESENT:
→ Move to Step 3

---

== Step 3: Check Zone Operation ==
* 2-port valve opens? (S-Plan)
* 3-port valve moves correctly? (Y-Plan)
* End switch activates?

IF NO MOVEMENT:
→ Valve or actuator fault

IF MOVEMENT BUT NO BOILER FIRE:
→ Electrical interlock fault

---

== Step 4: Check Boiler Signal ==
* Verify switched live present at boiler terminal
* Check boiler enable input
* Confirm no internal lockout

IF NO SIGNAL:
→ Wiring/control issue upstream

IF SIGNAL PRESENT:
→ Boiler fault likely

---

== Step 5: Final Isolation ==
* If controls and wiring are correct:
→ Treat as boiler-side issue
* If signal missing or incorrect:
→ Control system fault confirmed

Heating System No Hot Water Fault Guide

2026-06-10T14:38:53Z

Morgan Allen: Created page with "= Heating System No Hot Water Fault Guide = == Purpose == To identify why domestic hot water is not being produced in a heating system. --- == 1. System Type Confirmation == * Combi boiler (no cylinder) * System boiler (with cylinder) * Heat-only boiler --- == 2. Combi Boiler Checks == * Check flow rate demand (tap fully open) * Check for ignition attempt * Check for boiler error codes * Check inlet pressure and filters (if applicable) --- == 3. Cylinder System Ch..."

= Heating System No Hot Water Fault Guide =

== Purpose ==
To identify why domestic hot water is not being produced in a heating system.

---

== 1. System Type Confirmation ==
* Combi boiler (no cylinder)
* System boiler (with cylinder)
* Heat-only boiler

---

== 2. Combi Boiler Checks ==
* Check flow rate demand (tap fully open)
* Check for ignition attempt
* Check for boiler error codes
* Check inlet pressure and filters (if applicable)

---

== 3. Cylinder System Checks ==
* Check programmer hot water ON setting
* Check cylinder thermostat setting
* Check motorised valve operation (hot water zone)
* Confirm end switch signal to boiler

---

== 4. Electrical Control Checks ==
* Hot water channel output from programmer
* Cylinder thermostat switching correctly
* Valve actuator receiving supply
* End switch completing circuit to boiler

---

== 5. Common Faults ==
* Failed cylinder thermostat
* Stuck hot water zone valve
* Broken actuator motor
* Incorrect programmer settings
* Wiring fault in junction box
* Boiler not receiving demand signal

---

== 6. Notes ==
Hot water faults are usually control-side issues before being boiler faults. Always confirm demand signal first.

Heating System No Heat Fault Guide

2026-06-10T14:37:37Z

Morgan Allen: Created page with "= Heating System No Heat Fault Guide = == Purpose == To systematically identify why a heating system is not calling for heat or not firing the boiler. --- == 1. Initial Checks == * Confirm system has power (boiler, programmer, controls) * Check programmer is set to ON or timed correctly * Check thermostat setpoint is above room temperature * Check for any obvious error codes on boiler --- == 2. Confirm Demand Signal == * Increase thermostat temperature * Listen/obse..."

= Heating System No Heat Fault Guide =

== Purpose ==
To systematically identify why a heating system is not calling for heat or not firing the boiler.

---

== 1. Initial Checks ==
* Confirm system has power (boiler, programmer, controls)
* Check programmer is set to ON or timed correctly
* Check thermostat setpoint is above room temperature
* Check for any obvious error codes on boiler

---

== 2. Confirm Demand Signal ==
* Increase thermostat temperature
* Listen/observe for system response:
* Valve movement (if present)
* Relay clicks in wiring centre
* Boiler ignition attempt

---

== 3. Check Controls ==
* Room thermostat operation
* Programmer output (heating channel ON)
* Smart thermostat receiver status (if fitted)

---

== 4. Check Zone Equipment ==
* 2-port valve opening (S-Plan)
* 3-port valve movement (Y-Plan)
* End switch operation sending boiler signal

---

== 5. Boiler Demand Check ==
* Confirm switched live reaching boiler control terminal
* Check boiler enable input is present
* Verify no internal boiler lockout

---

== 6. Electrical Fault Isolation ==
* Check for loose neutrals in wiring centre
* Check for broken switched live circuits
* Check for failed relay outputs in controllers
* Check fused spur supply integrity

---

== 7. Common Real-World Causes ==
* Failed motorised valve actuator
* Stuck valve not opening fully
* Thermostat not calling correctly
* Broken switched live wire
* Wiring centre terminal loose connection
* Smart thermostat receiver failure
* Boiler interlock missing or bypassed

---

== 8. Conclusion ==
Most no-heat faults are caused by control signal failure, not boiler faults. Always trace demand from thermostat → valve/controller → boiler.

Fault finding guide

2026-06-10T14:37:16Z

Morgan Allen: Created page with "* Heating System No Heat Fault Guide * Heating System No Hot Water Fault Guide * Heating Fault Decision Tree (Core Diagnostic Flow)"

* [[Heating System No Heat Fault Guide]]
* [[Heating System No Hot Water Fault Guide]]
* [[Heating Fault Decision Tree (Core Diagnostic Flow)]]

Heating Systems

2026-06-10T14:35:04Z

Morgan Allen:

* [[Heating System Electrical Installation Guide]]
* [[Y-Plan Wiring Reference Pack]]
* [[S-Plan Wiring Reference Pack]]
* [[S-Plan Plus / Zoned Systems Reference Pack]]
* [[Combi Boiler Control Wiring Reference Pack]]
* [[Underfloor Heating Electrical Reference Pack]]
* [[Fault finding guide]]

Underfloor Heating Electrical Reference Pack

2026-06-10T14:10:41Z

Morgan Allen: Created page with "= Underfloor Heating Electrical Wiring Reference = == Overview == Underfloor heating systems use zone controllers and actuators to regulate heating in individual rooms or areas. == Main Components == * Boiler (or heat source) * UFH control manifold with actuators * Zone controller * Room thermostats * Pump * Wiring centre / control box --- == System Operation == * Each room thermostat controls an actuator on the manifold. * When a zone calls for heat, actuators open...."

= Underfloor Heating Electrical Wiring Reference =

== Overview ==
Underfloor heating systems use zone controllers and actuators to regulate heating in individual rooms or areas.

== Main Components ==
* Boiler (or heat source)
* UFH control manifold with actuators
* Zone controller
* Room thermostats
* Pump
* Wiring centre / control box

---

== System Operation ==
* Each room thermostat controls an actuator on the manifold.
* When a zone calls for heat, actuators open.
* Pump and boiler are triggered via control module.

---

== Wiring Concept ==
* Thermostats send signal to zone controller
* Zone controller activates actuators
* Boiler and pump receive combined demand signal

---

== Key Wiring Points ==
* Actuators may be 230V or 24V (must be confirmed)
* Each zone must be correctly assigned
* Pump and boiler interlock via controller output
* Keep low voltage and mains voltage separated where required

---

== Common Fault Areas ==
* Incorrect actuator voltage mismatch
* One zone not heating (failed actuator)
* Incorrect thermostat pairing
* No pump operation on demand
* Wiring centre misconfiguration
* Airlock or hydraulic issues mistaken for electrical faults

---

== Notes ==
* Always confirm actuator voltage before replacement.
* UFH faults are often mixed electrical/hydraulic issues.

Combi Boiler Control Wiring Reference Pack

2026-06-10T14:10:15Z

Morgan Allen: Created page with "= Combi Boiler Electrical Control Wiring Reference = == Overview == Combi systems do not require external hot water control. Heating demand is sent directly to the boiler. == Main Components == * Combi boiler * Room thermostat or smart thermostat * Optional external programmer * Fused spur supply * Boiler control terminals (heating demand input) --- == System Operation == * Boiler fires when it receives a heating demand signal. * No cylinder or zone valves required...."

= Combi Boiler Electrical Control Wiring Reference =

== Overview ==
Combi systems do not require external hot water control. Heating demand is sent directly to the boiler.

== Main Components ==
* Combi boiler
* Room thermostat or smart thermostat
* Optional external programmer
* Fused spur supply
* Boiler control terminals (heating demand input)

---

== System Operation ==
* Boiler fires when it receives a heating demand signal.
* No cylinder or zone valves required.
* Internal diverter valve controls hot water production.

---

== Wiring Concept ==
* Thermostat switches heating demand input on boiler
* Boiler provides internal control logic
* Live supply via fused spur

---

== Key Wiring Points ==
* Permanent live and neutral supply to boiler
* Switched live from thermostat/programmer to demand terminal
* Earth continuity mandatory
* Smart thermostats may require receiver module

---

== Common Fault Areas ==
* No heating demand signal
* Incorrect thermostat compatibility
* Boiler not receiving switched live
* Incorrect link terminals left in place
* Faulty receiver module (smart controls)
* Loose connections at boiler terminals

---

== Notes ==
* Always check manufacturer boiler terminal layout.
* Some boilers require internal links to be removed when controls are fitted.

S-Plan Plus / Zoned Systems Reference Pack

2026-06-10T14:09:55Z

Morgan Allen: Created page with "= S-Plan Plus (Zoned Heating System) Wiring Reference = == Overview == S-Plan Plus extends S-Plan by adding multiple heating zones, each with its own valve and thermostat. == Main Components == * Boiler * Programmer / smart controller * Multiple room thermostats (zone control) * Multiple 2-port zone valves * Cylinder thermostat (if applicable) * Pump * Wiring centre / zone control module --- == System Operation == * Each heating zone operates independently. * Hot wat..."

= S-Plan Plus (Zoned Heating System) Wiring Reference =

== Overview ==
S-Plan Plus extends S-Plan by adding multiple heating zones, each with its own valve and thermostat.

== Main Components ==
* Boiler
* Programmer / smart controller
* Multiple room thermostats (zone control)
* Multiple 2-port zone valves
* Cylinder thermostat (if applicable)
* Pump
* Wiring centre / zone control module

---

== System Operation ==
* Each heating zone operates independently.
* Hot water is controlled separately via cylinder thermostat and valve.
* Boiler fires when any zone valve end switch closes.

---

== Wiring Concept ==
* Each thermostat controls its dedicated zone valve
* Each valve provides independent boiler demand signal
* Zone controller or wiring centre coordinates signals

---

== Key Wiring Points ==
* Each zone = one thermostat + one valve
* End switches commonly linked for boiler call
* Neutral distribution critical for correct operation
* Smart controllers may replace traditional wiring centre

---

== Common Fault Areas ==
* One zone permanently on/off
* Incorrect zone mapping at wiring centre
* Crossed thermostat wires
* Multiple zones firing incorrectly
* Failed actuator head on single zone
* Wiring errors after “quick valve change”

---

== Notes ==
* Labelling is critical in multi-zone systems.
* Always test each zone individually after work.

S-Plan Wiring Reference Pack

2026-06-10T14:08:28Z

Morgan Allen: Created page with "= S-Plan Heating System Wiring Reference = == Overview == S-Plan systems use separate 2-port valves for heating and hot water control. == Main Components == * Boiler * Programmer / timer * Room thermostat * Cylinder thermostat * 2 × 2-port motorised zone valves (heating + hot water) * Pump * Junction box / wiring centre --- == System Operation == * Heating and hot water are independently controlled. * Each zone has its own valve. * Each valve provides a separate boi..."

= S-Plan Heating System Wiring Reference =

== Overview ==
S-Plan systems use separate 2-port valves for heating and hot water control.

== Main Components ==
* Boiler
* Programmer / timer
* Room thermostat
* Cylinder thermostat
* 2 × 2-port motorised zone valves (heating + hot water)
* Pump
* Junction box / wiring centre

---

== System Operation ==
* Heating and hot water are independently controlled.
* Each zone has its own valve.
* Each valve provides a separate boiler demand signal.

---

== Wiring Concept (Signal Flow) ==
* Programmer sends switched live to each zone
* Thermostat/cylinder thermostat controls valve opening
* End switch in each valve signals boiler demand

---

== Key Wiring Points ==
* Heating valve controls radiator circuit
* Hot water valve controls cylinder circuit
* Either valve end switch can trigger boiler
* Neutral connections commoned in wiring centre
* Earth continuity maintained across all components

---

== Common Fault Areas ==
* One zone not opening (failed actuator)
* No boiler firing (end switch fault)
* Crossed heating/hot water controls
* Incorrect programmer configuration
* Sticking valve heads
* Wiring centre misconnection after maintenance

---

== Notes ==
* S-Plan is easier to fault-find than Y-Plan due to separate zones.
* Always isolate valves before replacing heads.

Y-Plan Wiring Reference Pack

2026-06-10T14:07:54Z

Morgan Allen: Created page with "= Y-Plan Heating System Wiring Reference = == Overview == Y-Plan systems use a single 3-port motorised valve to control heating and hot water from one boiler. == Main Components == * Boiler (with heating demand input) * Programmer / timer * Room thermostat * Cylinder thermostat * 3-port motorised valve (mid-position valve) * Pump (usually external or boiler-integrated) * Junction box (commonly wiring centre) --- == System Operation == * Heating and hot water are cont..."

= Y-Plan Heating System Wiring Reference =

== Overview ==
Y-Plan systems use a single 3-port motorised valve to control heating and hot water from one boiler.

== Main Components ==
* Boiler (with heating demand input)
* Programmer / timer
* Room thermostat
* Cylinder thermostat
* 3-port motorised valve (mid-position valve)
* Pump (usually external or boiler-integrated)
* Junction box (commonly wiring centre)

---

== System Operation ==
* Heating and hot water are controlled via one valve.
* Valve position determines flow direction:
** Heating only
** Hot water only
** Both (mid position)
* End switch in valve sends demand signal to boiler.

---

== Wiring Concept (Signal Flow) ==
* Programmer supplies switched live to heating/hot water circuits
* Thermostats act as interrupt/control devices
* Valve end switch triggers boiler fire

---

== Key Wiring Points ==
* Heating ON signal → room thermostat → valve motor
* Hot water ON signal → cylinder thermostat → valve motor
* Valve end switch → boiler call for heat terminal
* Neutral commoned in wiring centre
* Earth continuity maintained throughout system

---

== Common Fault Areas ==
* Valve motor failure (no movement)
* Stuck mid-position valve
* Incorrect thermostat wiring
* No boiler interlock (constant firing)
* Failed end switch inside valve
* Poor neutral connections in junction box

---

== Notes ==
* Always confirm wiring centre layout before altering wiring.
* Valve wiring colours vary by manufacturer (check actuator label).

Heating System Electrical Installation Guide

2026-06-10T14:05:30Z

Morgan Allen: Created page with "= Heating System Electrical Installation Guide = == Important Note == All wiring must be carried out in accordance with manufacturer instructions and current electrical regulations. This guide is for installation workflow and verification only. Always refer to the specific system wiring diagram before termination. == 1. System Identification == * Identify heating system type: ** Combi boiler ** System boiler with cylinder ** Heat-only (regular boiler) ** Underfloor hea..."

= Heating System Electrical Installation Guide =

== Important Note ==
All wiring must be carried out in accordance with manufacturer instructions and current electrical regulations. This guide is for installation workflow and verification only. Always refer to the specific system wiring diagram before termination.

== 1. System Identification ==
* Identify heating system type:
** Combi boiler
** System boiler with cylinder
** Heat-only (regular boiler)
** Underfloor heating system
** Electric heating / storage heating
* Confirm control type:
** Y-plan
** S-plan
** S-plan plus
** Smart controls (digital / wireless thermostat systems)

---

== 2. Common Components (All Systems) ==
* Boiler or heat source
* Programmer / timer
* Room thermostat or smart thermostat
* Motorised valves (if applicable)
* Pump (system dependent)
* Cylinder thermostat (if hot water cylinder fitted)
* Frost protection (external or built-in)
* Boiler interlock (call for heat signal)

---

== 3. Pre-Installation Checks ==
* Confirm isolation of heating system supply
* Verify circuit protection (fused spur / MCB)
* Check cable routes and containment
* Confirm correct cable sizes (typically 1.0mm² – 1.5mm² heat-resistant flex where required)
* Ensure all zones and controls are clearly identified

---

== 4. General Wiring Principles ==
* Always isolate before working
* Maintain correct neutral and earth continuity
* Keep control wiring separate from mains where required
* Ensure all switching devices are correctly rated
* Do not mix control voltages unless system allows it
* Follow manufacturer wiring diagrams exactly

---

== 5. System Type Checklists ==

=== 5.1 Combi Boiler System ===
* Room thermostat connected to boiler control terminals
* Programmer (if used) provides heating demand signal
* No hot water cylinder wiring required
* Boiler receives direct “call for heat”
* Check boiler interlock is present and functioning

---

=== 5.2 Y-Plan System (3-Port Valve) ===
* 3-port valve installed (hot water + heating control)
* Cylinder thermostat connected in hot water circuit
* Room thermostat controls heating demand
* Programmer controls timing for heating and hot water
* Valve end-switch provides boiler call signal

---

=== 5.3 S-Plan System (2-Port Valves) ===
* Separate valves for heating and hot water
* Each zone controlled independently
* Cylinder thermostat controls hot water valve
* Room thermostat controls heating valve
* Both valves provide end-switch boiler demand

---

=== 5.4 S-Plan Plus / Zoned Systems ===
* Multiple heating zones with individual valves
* Each zone has independent thermostat control
* Shared boiler interlock via valve end switches
* Ensure correct zoning identification before wiring

---

=== 5.5 Underfloor Heating System ===
* Manifold actuators wired to zone controller
* Room thermostats control individual zones
* Pump and boiler interlock via control module
* Check actuator voltage (commonly 230V or 24V systems)
* Ensure correct separation of low voltage controls if applicable

---

=== 5.6 Electric Heating Systems ===
* Individual fused spur or dedicated circuit per heater
* Timer or smart control inline or wall mounted
* Ensure load calculation for each heater
* Check RCD protection is present and correct

---

== 6. Commissioning Checks ==
* Verify correct operation of all thermostats
* Check heating call signal reaches boiler
* Test motorised valves for correct operation
* Confirm pump operation under demand
* Check system switches off when satisfied
* Verify frost protection operation (if installed)

---

== 7. Final Checks ==
* All wiring secure and correctly terminated
* Control panels closed and labelled
* No exposed conductors
* System operates in all modes (heating/hot water)
* Customer shown basic operation

---

== 8. Common Issues ==
* Incorrect valve wiring (common Y-plan faults)
* No boiler interlock (boiler running constantly)
* Crossed neutrals in junction boxes
* Incorrect thermostat placement
* Faulty zone valves or actuator heads
* Incorrect voltage systems mixed (24V / 230V errors)

---

== JME Standard ==
All heating system electrical installations must follow manufacturer wiring diagrams, be correctly zoned, fully tested, and left in a safe and fully operational condition.

Heating Systems

2026-06-10T14:04:56Z

Morgan Allen: Created page with "* Heating System Electrical Installation Guide * Y-Plan Wiring Reference Pack * S-Plan Wiring Reference Pack * S-Plan Plus / Zoned Systems Reference Pack * Combi Boiler Control Wiring Reference Pack * Underfloor Heating Electrical Reference Pack"

RCD/RCBO Tripping

2026-06-10T13:56:16Z

Morgan Allen: Created page with "= RCD Fault Finding Checklist = == Purpose == To provide a structured, practical method for identifying why an RCD is tripping and locating the fault safely and efficiently. == Common Reasons An RCD Trips == * Earth leakage on a circuit (most common cause) * Faulty appliance plugged into a socket circuit * Damaged cable (nails, screws, heat, crushing) * Moisture ingress into accessories or outdoor equipment * Neutral-to-earth fault anywhere on the protected side * Inc..."

= RCD Fault Finding Checklist =

== Purpose ==
To provide a structured, practical method for identifying why an RCD is tripping and locating the fault safely and efficiently.

== Common Reasons An RCD Trips ==

* Earth leakage on a circuit (most common cause)
* Faulty appliance plugged into a socket circuit
* Damaged cable (nails, screws, heat, crushing)
* Moisture ingress into accessories or outdoor equipment
* Neutral-to-earth fault anywhere on the protected side
* Incorrect neutral connection (borrowed neutral / mixed neutrals)
* Faulty RCD device
* Overcrowded or poorly maintained wiring causing leakage
* External equipment faults (garden lighting, outbuildings, showers, pumps)

---

== Step-by-Step Fault Finding Procedure ==

=== 1. Confirm The Fault ===
* Check what exactly is tripping:
* RCD main switch
* Individual RCBO
* Note if it trips instantly or after a delay.
* Try to identify when it started (recent work, weather change, new appliance).

---

=== 2. Initial Isolation ===
* Switch OFF all MCBs/RCBOs on the affected RCD.
* Reset the RCD.
* If it holds, the fault is downstream on a circuit.
* If it still trips with everything off, suspect:
* Faulty RCD
* Neutral issue in the board

---

=== 3. Re-Energise One Circuit At A Time ===
* Turn circuits back on one by one.
* Wait after each circuit is energised.
* Identify which circuit causes the RCD to trip.

---

=== 4. Isolate The Problem Circuit ===
* Leave the faulty circuit OFF.
* Confirm other circuits operate normally.
* Focus investigation only on the suspect circuit.

---

=== 5. Break Down The Circuit (Section Testing) ===
* Disconnect all loads (sockets, appliances, accessories).
* Test RCD again with circuit energised but unloaded.
* If it now holds:
* Fault is in a device or appliance

If it still trips:
* Fault is in fixed wiring

---

=== 6. Appliance Check (If Socket Circuit) ===
* Unplug everything on the circuit.
* Pay attention to:
* Washing machines
* Dishwashers
* Kettles
* Outdoor tools and garden equipment
* Plug appliances back in one at a time to identify the faulty item.

---

=== 7. Fixed Wiring Checks ===
* Visually inspect:
* Sockets (especially outdoor or damp areas)
* Junction boxes
* External lighting
* Look for signs of:
* Water ingress
* Heat damage
* Crushed or pinched cables
* Check for neutral-to-earth contact faults.

---

=== 8. Test For Cable Faults ===
* Carry out insulation resistance testing on suspect circuit.
* Test between:
* Live and earth
* Neutral and earth
* Live and neutral
* Look for low insulation resistance readings indicating leakage.

---

=== 9. Check For Neutral Issues In Board ===
* Inspect neutral bar carefully.
* Look for:
* Loose neutrals
* Borrowed neutrals between circuits
* Incorrect neutral pairing on RCBOs
* Especially common after consumer unit changes.

---

=== 10. RCD Condition Check ===
* If no fault is found in wiring or appliances:
* Test RCD using appropriate test equipment
* Check trip times and sensitivity
* Replace RCD if it fails tests or behaves inconsistently.

---

== Common Real-World Causes ==
* Outdoor socket full of water
* Fridge/freezer developing earth leakage when compressor starts
* Boiler or immersion heater insulation breakdown
* Damaged garden lighting cable
* Washing machine heating element leaking to earth
* Shared neutral mistakes after alterations

---

== JME Standard ==
All RCD faults must be traced systematically by elimination, ensuring circuits, appliances, and protective devices are checked in a controlled and safe manner before replacement or repair decisions are made.

Main Page

2026-06-10T13:55:56Z

Morgan Allen: /* Most Used Procedures */

= Electrical Operations Hub =

Welcome to the company knowledge centre.

== Quick Links ==

* [[Safe Isolation]]
* [[Domestic Installations]]
* [[Consumer Units]]
* [[Fault Finding]]
* [[Testing and Certification]]
* [[Heating Systems]]
* [[Company Standards]]
* [[Toolbox Talks]]
* [[Lessons Learned]]

== Most Used Procedures ==

* [[Safe Isolation Procedure]]
* [[Socket Replacement]]
* [[Light Switch Replacement]]
* [[Consumer Unit Change Checklist]]
* [[RCD/RCBO Tripping]]

== New Starters ==

* [[Day One Checklist]]
* [[Van Stock Standards]]
* [[Customer Communication]]

RCD Tripping

2026-06-10T13:55:27Z

Main Page

2026-06-10T13:49:50Z

Morgan Allen: /* Quick Links */

= Electrical Operations Hub =

Welcome to the company knowledge centre.

== Quick Links ==

* [[Safe Isolation]]
* [[Domestic Installations]]
* [[Consumer Units]]
* [[Fault Finding]]
* [[Testing and Certification]]
* [[Heating Systems]]
* [[Company Standards]]
* [[Toolbox Talks]]
* [[Lessons Learned]]

== Most Used Procedures ==

* [[Safe Isolation Procedure]]
* [[Socket Replacement]]
* [[Light Switch Replacement]]
* [[Consumer Unit Change Checklist]]
* [[RCD Tripping]]

== New Starters ==

* [[Day One Checklist]]
* [[Van Stock Standards]]
* [[Customer Communication]]

Consumer Unit Change Checklist

2026-06-10T13:47:30Z

Morgan Allen: Created page with "= Consumer Unit Replacement Procedure = == Purpose == To safely replace an existing consumer unit with a new unit, ensuring all circuits are correctly reconnected, protected by the appropriate protective devices, and left in a safe working condition. == Procedure == === 1. Confirm The Scope Of Work === * Identify the existing consumer unit and all outgoing circuits. * Check for signs of damage, overheating, or outdated equipment. * Confirm whether the replacement is l..."

= Consumer Unit Replacement Procedure =

== Purpose ==
To safely replace an existing consumer unit with a new unit, ensuring all circuits are correctly reconnected, protected by the appropriate protective devices, and left in a safe working condition.

== Procedure ==

=== 1. Confirm The Scope Of Work ===
* Identify the existing consumer unit and all outgoing circuits.
* Check for signs of damage, overheating, or outdated equipment.
* Confirm whether the replacement is like-for-like or an upgrade (e.g. split load to all RCBO).
* Take clear photos of the existing setup before any work starts.

---

=== 2. Isolate The Supply ===
* Follow the JME Safe Isolation Procedure.
* Isolate the incoming supply at the main switch or service cut-out (if authorised).
* Lock off and label the supply.
* Prove dead at the consumer unit using approved test equipment.
* Confirm all circuits are dead before touching any conductors.

---

=== 3. Remove Existing Consumer Unit ===
* Remove cover and identify all outgoing circuits.
* Label cables clearly if not already identified.
* Disconnect outgoing circuits one at a time.
* Inspect all conductors for:
* Damage or overheating
* Brittle insulation
* Loose or poor terminations
* Remove the old consumer unit once fully disconnected.

---

=== 4. Prepare New Consumer Unit ===
* Fix new consumer unit securely in position.
* Ensure there is enough space for safe cable routing and termination.
* Check incoming tails are suitable for reuse or require replacement.
* Prepare all circuit cables for termination.

---

=== 5. Device Layout (MCBs vs RCBOs) ===

==== MCB (Miniature Circuit Breaker) ====
* Provides protection against:
* Overload
* Short circuit
* Typically used where circuits share an RCD (e.g. split load boards).
* Does not detect earth leakage faults on its own.
* Multiple circuits are protected by a single RCD upstream.

==== RCBO (Residual Current Breaker with Overload Protection) ====
* Provides individual protection for each circuit:
* Overload protection
* Short circuit protection
* Earth leakage protection (RCD function built in)
* Each RCBO protects a single circuit independently.
* Reduces nuisance tripping affecting multiple circuits.

==== Neutral Flylead (RCBO Setup) ====
* Most RCBOs require a neutral connection via a flylead.
* The flylead connects the RCBO to the neutral bar in the consumer unit.
* Each circuit has its own neutral directly associated with its RCBO.
* Care must be taken to ensure:
* Correct neutral pairing per circuit
* No cross-connected neutrals between circuits

---

=== 6. Reconnect Circuits ===
* Reconnect circuits one at a time.
* Ensure correct assignment to:
* MCBs (line protection only)
* RCBOs (line + neutral protection per circuit)
* Tighten all terminals securely.
* Keep wiring neat, separated, and under no strain.
* Ensure neutrals are correctly paired (especially with RCBOs and flyleads).

---

=== 7. Reconnect Supply ===
* Double-check all terminations.
* Ensure no exposed conductors remain.
* Fit all covers securely.
* Remove lock-off devices.
* Restore supply and switch on circuits gradually.
* Check for immediate faults or tripping.

---

=== 8. Testing ===
* Carry out required electrical tests:
* Polarity
* Earth continuity
* Insulation resistance (where applicable)
* RCD/RCBO trip testing
* Confirm correct operation of all protective devices.
* Verify each circuit operates independently as expected.
* Record test results where required.

---

=== 9. Final Checks ===
* Confirm all circuits are correctly labelled.
* Ensure consumer unit is tidy, secure, and correctly assembled.
* Check for signs of overheating or abnormal operation.
* Clean work area and remove all waste.
* Explain installation and any changes to the customer.

---

== Common Issues ==
* Damaged or deteriorated cables during changeover
* Incorrect neutral pairing (especially on RCBO boards)
* Mixed up circuits due to poor identification
* Existing faults causing RCD/RCBO trips
* Overcrowded consumer units
* Incorrect device selection (MCB vs RCBO mismatch)

---

== JME Standard ==
All consumer unit replacements must be safely isolated, correctly terminated, appropriately protected using MCBs or RCBOs as required, fully tested, and left in a safe and compliant condition.

Socket Replacement

2026-06-10T13:42:26Z

Morgan Allen:

= Socket Replacement Procedure =

== Purpose ==
To safely replace a faulty, damaged or outdated socket outlet.

== Procedure ==

=== 1. Confirm The Circuit ===
* Identify the socket to be replaced and the circuit it is supplied from.
* Check for signs of damage, overheating or poor installation.
* Confirm if the socket is part of a ring final circuit or a radial circuit if required.

=== 2. Isolate The Circuit ===
* Follow the JME Safe Isolation Procedure.
* Isolate the correct circuit at the consumer unit.
* Lock off and prove dead before starting work.

=== 3. Remove The Existing Socket ===
* Remove the faceplate carefully.
* Gently pull forward and support conductors.
* Inspect the condition of all cables and terminations.
* Check for signs of:
** Overheating or burning
** Loose connections
** Damaged insulation
* Take a photo if required before disconnecting.

=== 4. Fit The New Socket ===
* Transfer conductors to the correct terminals:
** L = Live
** N = Neutral
** E = Earth
* Ensure all conductors are fully inserted and securely terminated.
* Check CPC continuity is maintained.
* Avoid excessive exposed copper.
* Ensure cables are not trapped or pinched when refitting.

=== 5. Restore Supply ===
* Ensure all tools and loose conductors are clear.
* Refit faceplate securely.
* Remove lock off equipment.
* Re-energise the circuit.
* Test socket operation using a socket tester or suitable load.

=== 6. Final Checks ===
* Ensure socket is secure, level and correctly fitted.
* Check polarity and earth continuity if required.
* Confirm no tripping or immediate faults.
* Clean work area and remove waste.
* Advise customer that work is complete.

== Common Issues ==
* Loose terminations
* Overheated or burnt terminals
* Damaged insulation
* Overfilled back boxes
* Missing or disconnected CPC
* Incorrect wiring on ring final circuits

== JME Standard ==
Every socket replacement shall be carried out safely, correctly terminated, tested, and left in a safe and serviceable condition.

Light Switch Replacement

2026-06-10T12:31:04Z

Morgan Allen: Created page with "= Light Switch Replacement Procedure = == Purpose == To safely replace a faulty, damaged or outdated light switch. == Procedure == === 1. Confirm The Circuit === * Identify the switch and the light(s) it controls. * Check whether it is a 1-way, 2-way or intermediate switch. === 2. Isolate The Circuit === * Follow the JME Safe Isolation Procedure. * Lock off and prove dead before starting work. === 3. Remove The Existing Switch === * Remove the faceplate. * Check..."

= Light Switch Replacement Procedure =

== Purpose ==

To safely replace a faulty, damaged or outdated light switch.

== Procedure ==

=== 1. Confirm The Circuit ===

* Identify the switch and the light(s) it controls.
* Check whether it is a 1-way, 2-way or intermediate switch.

=== 2. Isolate The Circuit ===

* Follow the JME Safe Isolation Procedure.
* Lock off and prove dead before starting work.

=== 3. Remove The Existing Switch ===

* Remove the faceplate.
* Check the condition of the conductors.
* Look for signs of overheating, loose connections or damaged insulation.
* Take a photo if required before disconnecting.

=== 4. Fit The New Switch ===

* Transfer conductors to the correct terminals.
* Tighten all terminals securely.
* Ensure earth conductors are correctly terminated.
* Avoid trapping cables when refitting.

=== 5. Restore Supply ===

* Remove lock off equipment.
* Re-energise the circuit.
* Check the switch operates correctly.

=== 6. Final Checks ===

* Ensure the switch is secure and level.
* Check the controlled light fitting operates correctly.
* Clean the work area.
* Advise the customer that work is complete.

== Common Issues ==

* Loose connections
* Incorrectly wired 2-way switching
* Damaged conductors
* Overheated terminals
* Missing CPC connections

== JME Standard ==

Every switch replacement should be left safe, secure, functional and visually presentable.

Socket Replacement

2026-06-10T12:21:58Z

Morgan Allen: Created page with "= Socket Replacement Procedure = == Purpose == To ensure socket outlets are replaced safely, correctly and in accordance with company standards. == Required Equipment == * Approved Voltage Indicator * Proving Unit * Lock Off Kit * Hand Tools * Appropriate Test Equipment == Procedure == === 1. Assess The Existing Installation === * Inspect the condition of the existing socket and surrounding area. * Identify any signs of overheating, damage or poor workmanship. * C..."

= Socket Replacement Procedure =

== Purpose ==

To ensure socket outlets are replaced safely, correctly and in accordance with company standards.

== Required Equipment ==

* Approved Voltage Indicator
* Proving Unit
* Lock Off Kit
* Hand Tools
* Appropriate Test Equipment

== Procedure ==

=== 1. Assess The Existing Installation ===

* Inspect the condition of the existing socket and surrounding area.
* Identify any signs of overheating, damage or poor workmanship.
* Confirm the socket rating is suitable for the circuit.

=== 2. Safe Isolation ===

* Follow the JME Safe Isolation Procedure.
* Isolate the circuit.
* Lock off the supply.
* Prove dead before commencing work.

=== 3. Remove Existing Socket ===

* Remove the faceplate carefully.
* Inspect all conductors and terminations.
* Check for signs of overheating, loose connections or damaged insulation.

=== 4. Replace Socket ===

* Transfer conductors to the new accessory.
* Ensure all conductors are fully inserted and securely terminated.
* Confirm CPC continuity is maintained.
* Avoid excessive bare copper being exposed.

=== 5. Inspect Cable Management ===

* Ensure cables are correctly routed within the back box.
* Avoid trapped or damaged conductors.
* Confirm accessory sits flush against the wall.

=== 6. Re-Energise Circuit ===

* Remove lock off equipment.
* Restore supply safely.
* Check the socket operates correctly.

=== 7. Testing ===

Carry out appropriate testing, including:

* Polarity
* Earth Continuity
* Functional Testing

Record results where required.

=== 8. Completion ===

* Ensure the work area is clean and tidy.
* Remove all waste materials.
* Explain any findings to the customer.
* Confirm customer satisfaction before leaving site.

== Common Issues To Look For ==

* Loose terminations
* Overheated conductors
* Damaged accessories
* Missing earth conductors
* Incorrect polarity
* Signs of overloading

== JME Standard ==

All socket replacements shall be safely isolated, visually inspected, correctly terminated, tested and left in a safe condition before completion.

[[Category:Domestic Installations]]

Safe Isolation Procedure

2026-06-10T12:18:29Z

Morgan Allen: Created page with "= Safe Isolation Procedure = == Purpose == To ensure electrical circuits are safely isolated and proven dead before any work is carried out. == Required Equipment == * Approved Voltage Indicator * Proving Unit * Lock Off Device * Warning Tag == Procedure == === 1. Identify The Correct Circuit === Confirm the circuit or equipment to be worked on and identify the correct means of isolation. === 2. Inform Relevant Persons === Advise the customer, occupier or any af..."

= Safe Isolation Procedure =

== Purpose ==

To ensure electrical circuits are safely isolated and proven dead before any work is carried out.

== Required Equipment ==

* Approved Voltage Indicator
* Proving Unit
* Lock Off Device
* Warning Tag

== Procedure ==

=== 1. Identify The Correct Circuit ===

Confirm the circuit or equipment to be worked on and identify the correct means of isolation.

=== 2. Inform Relevant Persons ===

Advise the customer, occupier or any affected persons that the supply will be isolated.

=== 3. Isolate The Supply ===

Switch off the appropriate protective device or isolator.

=== 4. Secure The Isolation ===

Apply a suitable lock off device and warning tag to prevent inadvertent re-energisation.

=== 5. Prove The Tester ===

Verify the voltage indicator is functioning correctly using a proving unit.

=== 6. Test For Dead ===

Test between:

* Line and Neutral
* Line and Earth
* Neutral and Earth

Confirm no voltage is present.

=== 7. Re-Prove The Tester ===

Immediately re-test the voltage indicator on the proving unit to confirm it remains operational.

=== 8. Commence Work ===

Only once the circuit has been safely isolated, locked off and proven dead may work begin.

== Important Notes ==

* Never rely solely on switching off.
* Never assume a circuit is dead.
* Always use an approved voltage indicator.
* Always prove, test and re-prove.
* Maintain control of the key for any lock off device used.

== JME Standard ==

No electrical work shall commence until the circuit has been isolated, secured, proven dead and verified in accordance with this procedure.

[[Category:Safe Isolation]]

Day One Checklist

2026-06-10T11:45:19Z

Morgan Allen:

= Day One Checklist =

== Purpose ==

To ensure all new employees receive a consistent introduction to JME's standards, procedures and expectations.

== Administration ==

☐ Employment paperwork completed

☐ Emergency contact details provided

☐ Company policies issued

☐ Access to JME Training Academy provided

== Company Introduction ==

☐ Meet management team

☐ Introduction to colleagues

☐ Overview of company structure

☐ Overview of services provided by JME

== Health & Safety ==

☐ Health & Safety briefing

☐ Safe Isolation Procedure explained

☐ Accident reporting procedure explained

☐ First aid arrangements explained

☐ Fire procedures explained

== Vehicle & Equipment Familiarisation ==

☐ Van stock standards explained

☐ Vehicle inspection process explained

☐ Tool requirements explained

☐ Test equipment requirements explained

☐ Lock off kit issued and demonstrated

== Company Standards ==

☐ Customer communication expectations explained

☐ Uniform standards explained

☐ Photo evidence requirements explained

☐ Testing standards explained

☐ Site cleanliness expectations explained

== Systems & Documentation ==

☐ Training Academy walkthrough completed

☐ Certification process explained

☐ Job management system explained

☐ Company contact list issued

== End Of Day Review ==

☐ Questions answered

☐ Training requirements identified

☐ Day One induction completed

Inducted By: _______________________

Employee: _________________________

Date: _____________________________

[[Category:New Starter Academy]]

Customer Communication

2026-06-10T11:43:09Z

Morgan Allen: Created page with "= Customer Communication = == Purpose == Professional communication is a key part of every job. Customers may not fully understand electrical work, so it is important that JME operatives communicate clearly, respectfully and professionally at all times. == On Arrival == * Introduce yourself and confirm the reason for your visit. * Be polite, friendly and approachable. * Explain what work you will be carrying out. * Confirm any power interruptions before commencing wo..."

= Customer Communication =

== Purpose ==

Professional communication is a key part of every job. Customers may not fully understand electrical work, so it is important that JME operatives communicate clearly, respectfully and professionally at all times.

== On Arrival ==

* Introduce yourself and confirm the reason for your visit.
* Be polite, friendly and approachable.
* Explain what work you will be carrying out.
* Confirm any power interruptions before commencing work.

== During The Work ==

* Keep the customer informed of progress.
* Explain any unexpected findings in simple terms.
* Avoid technical jargon where possible.
* Be honest about timescales and potential delays.
* Maintain a professional attitude at all times.

== If Problems Are Found ==

* Clearly explain the issue and any associated risks.
* Offer practical solutions where possible.
* Never pressure a customer into making immediate decisions.
* Escalate any concerns to management where required.

== On Completion ==

* Explain what work has been completed.
* Demonstrate operation of any new equipment if required.
* Ensure the work area is clean and tidy.
* Confirm the customer is satisfied before leaving.

== Key Expectations ==

* Be professional.
* Be respectful.
* Be punctual.
* Be honest.
* Leave every customer with a positive impression of JME.

A customer's experience is determined not only by the quality of the electrical work, but also by the quality of communication throughout the job.

Van Stock Standards

2026-06-10T11:39:14Z

Morgan Allen: /* Connectors & Consumables */

= JME Van Stock Standards =

== Purpose ==

To ensure all JME electricians maintain a consistent stock level to maximise first-time fixes and reduce unnecessary supplier visits.

== Essential Accessories ==

The following items shall be carried on every van:

* 1 Gang Socket
* 2 Gang Socket
* Switched FCU
* Unswitched FCU
* 1 Gang Light Switch
* 2 Gang Light Switch
* Intermediate Switch
* Pull Cord Switch
* 20A Double Pole Switch
* Pendant Set

== Consumer Unit Stock ==

Minimum stock:

* B6 RCBO
* B16 RCBO
* B32 RCBO
* Spare Blanks
* Consumer Unit Labels

== Cable Stock ==

Minimum stock:

* 1.5mm² Twin & Earth
* 2.5mm² Twin & Earth
* 6.0mm² Twin & Earth
* 0.75mm² / 1.0mm² 2 Core Flex
* 1.0mm² 3 Core Flex
* 2.5mm² 3 Core Flex
* 1.5mm² 5 Core Flex
* 10mm² Earth Cable

== Connectors & Consumables ==

* Wago 221 Connectors
* Wago Boxes
* Electrical Tape
* Cable Ties
* Circuit Identification Labels
* Selection of Screws
* Red & Brown Wall Plugs
* Cable Clips (1.5mm², 2.5mm² & 6.0mm²)
* Compression Glands (20mm–32mm Range)
* SWA Glands (20mm–32mm Range)
* Brass Locknuts
* Earth Tags

== Testing Equipment ==

The following equipment shall be available at all times:

* Multifunction Tester
* Voltage Indicator
* Clamp Meter
* Socket Tester
* Lock Off Kit

== PPE Requirements ==

* Safety Boots
* Hi-Visibility Vest
* Safety Glasses
* Gloves

== Weekly Van Check ==

Every Friday, operatives shall check:

* Van stock levels
* Tester condition
* Calibration dates
* PPE condition
* First Aid Kit
* Vehicle cleanliness

Any missing stock should be replenished before the start of the following working week.

[[Category:Company Standards]]

Van Stock Standards

2026-06-10T11:38:16Z

Morgan Allen: Created page with "= JME Van Stock Standards = == Purpose == To ensure all JME electricians maintain a consistent stock level to maximise first-time fixes and reduce unnecessary supplier visits. == Essential Accessories == The following items shall be carried on every van: * 1 Gang Socket * 2 Gang Socket * Switched FCU * Unswitched FCU * 1 Gang Light Switch * 2 Gang Light Switch * Intermediate Switch * Pull Cord Switch * 20A Double Pole Switch * Pendant Set == Consumer Unit Stock ==..."

= JME Van Stock Standards =

== Purpose ==

To ensure all JME electricians maintain a consistent stock level to maximise first-time fixes and reduce unnecessary supplier visits.

== Essential Accessories ==

The following items shall be carried on every van:

* 1 Gang Socket
* 2 Gang Socket
* Switched FCU
* Unswitched FCU
* 1 Gang Light Switch
* 2 Gang Light Switch
* Intermediate Switch
* Pull Cord Switch
* 20A Double Pole Switch
* Pendant Set

== Consumer Unit Stock ==

Minimum stock:

* B6 RCBO
* B16 RCBO
* B32 RCBO
* Spare Blanks
* Consumer Unit Labels

== Cable Stock ==

Minimum stock:

* 1.5mm² Twin & Earth
* 2.5mm² Twin & Earth
* 6.0mm² Twin & Earth
* 0.75mm² / 1.0mm² 2 Core Flex
* 1.0mm² 3 Core Flex
* 2.5mm² 3 Core Flex
* 1.5mm² 5 Core Flex
* 10mm² Earth Cable

== Connectors & Consumables ==

* Wago 221 Connectors
* Wago Boxes
* Electrical Tape
* Cable Ties
* Circuit Identification Labels
* Selection of Screws
* Red & Brown Wall Plugs
* Cable Clips (1.5mm², 2.5mm² & 6.0mm²)
* Compression Glands (20mm–32mm Range)
* SWA Glands (20mm–32mm Range)
* Brass Locknuts
* Earth Tags
* PVC Shrouds

== Testing Equipment ==

The following equipment shall be available at all times:

* Multifunction Tester
* Voltage Indicator
* Clamp Meter
* Socket Tester
* Lock Off Kit

== PPE Requirements ==

* Safety Boots
* Hi-Visibility Vest
* Safety Glasses
* Gloves

== Weekly Van Check ==

Every Friday, operatives shall check:

* Van stock levels
* Tester condition
* Calibration dates
* PPE condition
* First Aid Kit
* Vehicle cleanliness

Any missing stock should be replenished before the start of the following working week.

[[Category:Company Standards]]

Toolbox Talks

2026-06-09T16:49:33Z

Morgan Allen: Created page with "Safe Isolation Refresher Working At Height Ladder Safety Manual Handling Electrical Fire Risks Arc Fault Awareness Customer Safety"

Safe Isolation Refresher

Working At Height

Ladder Safety

Manual Handling

Electrical Fire Risks

Arc Fault Awareness

Customer Safety

Company Standards

2026-06-09T16:49:10Z

Morgan Allen: Created page with "JME Cable Routing Standards JME Labelling Standards JME Testing Standards JME Photo Standards JME Customer Handover Standards JME Van Stock Standards JME Uniform Standards"

JME Cable Routing Standards

JME Labelling Standards

JME Testing Standards

JME Photo Standards

JME Customer Handover Standards

JME Van Stock Standards

JME Uniform Standards

Testing and Certification

2026-06-09T16:48:22Z

Morgan Allen: Created page with "Minor Works Workflow EIC Workflow EICR Workflow Continuity Testing Insulation Resistance Testing Polarity Testing RCD Testing Photo Evidence Standards"

Minor Works Workflow

EIC Workflow

EICR Workflow

Continuity Testing

Insulation Resistance Testing

Polarity Testing

RCD Testing

Photo Evidence Standards

Fault Finding

2026-06-09T16:48:11Z

Morgan Allen: Created page with "RCD Tripping RCBO Tripping MCB Tripping No Power To Property No Power To Circuit Lighting Faults Socket Circuit Faults Intermittent Faults Loose Neutral Faults Broken Ring Final"

RCD Tripping

RCBO Tripping

MCB Tripping

No Power To Property

No Power To Circuit

Lighting Faults

Socket Circuit Faults

Intermittent Faults

Loose Neutral Faults

Broken Ring Final

Consumer Units

2026-06-09T16:47:55Z

Morgan Allen: Created page with "Consumer Unit Change Checklist RCBO Replacement MCB Replacement RCD Replacement SPD Installation Board Labelling Standards Consumer Unit Testing Sequence"

Consumer Unit Change Checklist

RCBO Replacement

MCB Replacement

RCD Replacement

SPD Installation

Board Labelling Standards

Consumer Unit Testing Sequence

Domestic Installations

2026-06-09T16:47:12Z

Morgan Allen: Created page with "Socket Replacement Light Switch Replacement FCU Replacement Adding A Socket Adding A Spur Cooker Connection Electric Shower Connection Extractor Fan Replacement Smoke Alarm Replacement Outside Lighting Installation"

Socket Replacement

Light Switch Replacement

FCU Replacement

Adding A Socket

Adding A Spur

Cooker Connection

Electric Shower Connection

Extractor Fan Replacement

Smoke Alarm Replacement

Outside Lighting Installation

Safe Isolation

2026-06-09T16:46:31Z

Morgan Allen: Created page with "Safe Isolation Procedure Lock Off Procedure Proving Unit Checks Isolation Checklist Common Isolation Errors"

Safe Isolation Procedure

Lock Off Procedure

Proving Unit Checks

Isolation Checklist

Common Isolation Errors

Main Page

2026-06-09T16:08:43Z

Morgan Allen:

= Electrical Operations Hub =

Welcome to the company knowledge centre.

== Quick Links ==

* [[Safe Isolation]]
* [[Domestic Installations]]
* [[Consumer Units]]
* [[Fault Finding]]
* [[Testing and Certification]]
* [[Company Standards]]
* [[Toolbox Talks]]
* [[Lessons Learned]]

== Most Used Procedures ==

* [[Safe Isolation Procedure]]
* [[Socket Replacement]]
* [[Light Switch Replacement]]
* [[Consumer Unit Change Checklist]]
* [[RCD Tripping]]

== New Starters ==

* [[Day One Checklist]]
* [[Van Stock Standards]]
* [[Customer Communication]]