Installation & wiring - how-to guides

Do you need a meter tail clamp on your consumer unit?

What a meter tail clamp does, when it is required and when it is good practice: the Lewden MTC, terminal strain and the risks of leaving tails unclamped.

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Meter tails longer than 3 metres: what you need and why

Why BS 7671 limits unprotected tails to 3 metres, what a switch fuse isolator does and how to choose one for a longer run to the consumer unit.

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How to use Wago 222 connectors (and why unbranded copies fail)

Lever open, insert to full depth, lever closed, tug test. Plus what the tear-down comparison revealed about the internal quality of unbranded copies.

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Wire a 1-way lighting circuit: the 2-plate method

Supply to the switch first, switch drop to the fitting. Connections at both points, neutral bypass and testing explained for a standard 1-way circuit.

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Wire 2-way switches using the 2-plate method

Control one light from two positions: strapper cable between the switches, COM, L1 and L2 connections at each switch, and testing both positions.

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Catenary wire height requirements for outdoor electrical wiring

Minimum clearances under BS 7671: 3.5 m over pedestrian paths, 5.2 m over driveways, 5.8 m over public roads. Sag, fixing, tensioning and earthing.

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How to fit a 32A Commando socket for EV charging

A dedicated 32A radial circuit and industrial Commando socket for home EV charging: RCBO selection, 6mm² cable sizing, RCD protection requirements and Part P notification.

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How to install a dedicated EV distribution board

Fitting a dedicated EV consumer unit fed from a switch fuse: board selection, feed cable sizing, Type A or B RCBO, open PEN fault protection under BS 7671 Section 722 and commissioning.

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How to install a switch fuse isolator unit

Mounting and wiring a 100A switch fuse unit for an outbuilding sub-main or EV distribution board: rating selection, enclosure fixing, SWA cable termination, earthing and labelling.

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How to carry out electrical second fix

A UK walk-through of electrical second fix: fitting accessories, dressing conductors, connecting sockets and switches after plastering, and the dead tests before the board goes live.

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How to chase walls and run cable safely

UK guide to chasing walls and running cable during first-fix electrical work. Safe zone rules, tool choice, cable protection and when to call a qualified electrician.

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How to drill through joists and run cable safely

The BS 7671 rules for drilling holes in floor and ceiling joists to run electrical cable - safe drilling zones, maximum hole size, protecting cables and what to check before boarding up.

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Fit a 16A commando socket in a garage or workshop

A UK guide to installing a BS EN 60309 16A commando socket in a garage or workshop - new RCBO circuit, 2.5mm² cable, IP44 socket, safe testing and Part P explained.

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How to fit a carbon monoxide alarm

UK guide to fitting a carbon monoxide alarm: where to position it under BS EN 50292, what the 2022 rental legislation requires, battery versus mains types, and when to call a qualified electrician.

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How to fit a ceiling fan with light

A UK guide to replacing a ceiling light with a ceiling fan and light - isolating at the consumer unit, checking the ceiling box rating, wiring live, neutral and earth, and what to do if anything looks wrong.

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How to fit a ceiling light fitting safely

A safe UK guide to replacing a pendant ceiling rose with a semi-flush or direct-wired light fitting - isolating the circuit, identifying your wiring method, connecting L N E and testing. Honest on when to stop.

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How to fit a dimmer switch safely

A safe UK guide to fitting a dimmer switch - isolating the circuit, checking LED compatibility, transferring the wires correctly, and when a dimmer is not the right choice.

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How to fit a dry lining back box in a stud wall

A UK guide to fitting a dry lining back box in a plasterboard stud wall for a socket or switch - marking, cutting, feeding cable and tightening the wings correctly.

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How to fit a kitchen heat alarm

Why kitchens need a heat alarm rather than a smoke alarm, how to position and wire a Grade D mains-powered unit, and how to interlink it with the rest of your home's alarm system under BS 5839-6.

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How to fit a new socket outlet correctly

A practical UK guide to fitting a new 13A socket outlet from scratch - back box selection, cable preparation, correct terminations, the earth check that matters, and when the job becomes Part P notifiable work.

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How to fit an outdoor PIR security light

A UK guide to fitting an outdoor PIR security light - isolating the circuit, wiring L N E correctly, adjusting sensitivity and duration settings, and when a new cable run needs an electrician.

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How to fit a bathroom shaver socket

A UK guide to bathroom shaver sockets - why they contain an isolating transformer, the zone rules under BS 7671 Section 701, wiring options, and when the job needs a registered electrician.

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How to fit a surge protection device (SPD) in a consumer unit

A UK guide to installing a Type 2 SPD in a domestic consumer unit - choosing the right device for your earthing arrangement, DIN rail mounting, wiring sequence and status indicator checks.

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How to fit a 2-gang dimmer switch

Step-by-step UK guide to fitting a 2-gang dimmer switch - isolating both lighting circuits, wiring each gang correctly and checking earth connections on the new plate.

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How to fit a USB charging socket safely

A UK guide to swapping a standard 13A socket for a USB-A or USB-C combination socket - isolating the circuit, checking back box depth, connecting L N E, and testing the USB ports.

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How to fit an AFDD to a consumer unit

A UK guide to fitting an arc fault detection device (AFDD) to a Crabtree or Wylex consumer unit. BS 7671 Amendment 2 requirements, what AFDDs protect against, and when to call an electrician.

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How to fit an immersion heater time switch

A UK guide to replacing the simple on/off switch on an immersion heater circuit with a programmable time switch: safe isolation, identifying terminals, wiring the new switch and setting up the programme.

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How to fit an MCB or RCBO to a consumer unit busbar (UK)

UK guide to clipping a replacement MCB or new RCBO onto a busbar consumer unit. Safe isolation steps, correct device selection, conductor connections and torque requirements.

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How to fit an RCBO in a consumer unit

A UK guide to fitting an RCBO in a consumer unit - swapping an MCB for combined RCD and overcurrent protection on a single circuit. Honest on when the job must stay with a qualified electrician.

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How to fit an RCD socket outlet in a UK home

A UK guide to fitting an RCD socket outlet - when you need one, what back box depth is required, how to transfer the wires correctly, and how to test it before restoring power.

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How to fit IP65 fire-rated downlights in a bathroom

A UK guide to fitting IP65 fire-rated downlights in a bathroom: understanding electrical zones, choosing the right fitting, cutting and wiring safely, fitting fire hoods, and when to call an electrician.

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How to fit mains-powered interlinked smoke alarms

A UK guide to fitting mains-powered interlinked smoke alarms to BS 5839-6. Where alarms go, wiring options, and an honest explanation of when the job needs a Part P electrician.

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How to hardwire LED tape lighting

A UK guide to connecting LED tape lighting to a mains circuit via a driver and fused connection unit - choosing the right driver, planning the cable route, and testing the finished installation.

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How to wire the electrics in a house extension

A UK guide to wiring a house extension from first fix to certification: planning circuits, running cables in safe zones, connecting at the consumer unit, second fix, testing and issuing the EIC.

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Installing a GivEnergy All-In-One home battery: what the job involves

What a GivEnergy All-In-One AC-coupled battery installation involves: assessing the supply, mounting the unit, wiring the AC connections, fitting the Giv-Gateway and commissioning on the GivEnergy app.

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How to install a home electric hook-up point

A UK guide to fitting a 16 A commando socket as a home electric hook-up point for a caravan, motorhome or campervan - circuit requirements, RCD protection, IP rating, and Part P rules.

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Installing a Hypervolt Home 3 EV charger: what the job involves

What a Hypervolt Home 3 EV charger installation involves in the UK -- load assessment, earthing check, dedicated 32A circuit, Type B RCBO and app commissioning.

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How to install a loft light

A UK guide to installing a loft light: running 1.0 mm² twin and earth from the landing circuit, fitting a switch near the hatch, connecting a batten fitting and testing safely before switching on.

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How to install a Myenergi Eddi solar diverter

UK installation guide for the Myenergi Eddi solar diverter: checking suitability, mounting, CT clamp position, wiring to an immersion heater and app setup. What a correct install involves.

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How to install a positive input ventilation unit

A UK guide to installing a positive input ventilation (PIV) unit in a loft: choosing the right unit, positioning the diffuser, wiring the spigot heater and confirming airflow. Honest on when to call an electrician.

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Installing a Pod Point Solo 3S home EV charger: what the job involves

What a Pod Point Solo 3S home EV charger installation involves in the UK - supply assessment, cable routing, Type B RCBO, Part P notification and commissioning via the Pod Point app.

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How to install a solar PV diverter in a UK home

A UK homeowner's guide to solar PV diverters: what they do, how the Solar iBoost and Eddi work, what installation involves, and what a qualified electrician needs to do for you.

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Installing a Zappi home EV charger: what the job involves

What installing a MyEnergi Zappi home EV charger involves in the UK - consumer unit assessment, cable routing, RCBO selection, solar integration, and OZEV grant paperwork.

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How to install and test an earth electrode

A UK guide to installing a copper-clad earth rod for a TT earthing system - choosing the location, driving the electrode, connecting the earth conductor, and testing loop impedance (Ra).

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How to install an Easee One EV charger

UK installation guide for the Easee One 7.4 kW EV charger: consumer unit assessment, cable sizing, mounting, wiring and app commissioning. Notifiable work under Part P - this guide explains what a correct install involve

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How to install an electric panel radiator

UK guide to installing an electric panel radiator: choosing between plug-in and hardwired, FCU sizing, cable routing, and Part P notification for dedicated circuits over 2 kW.

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How to install an infrared heating panel

A UK guide to fitting an infrared heating panel - choosing the right wattage, planning the electrical supply, mounting safely and adding thermostat control.

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How to install a 600x600mm LED ceiling panel light

A UK guide to installing a 600x600mm recessed or surface-mount LED ceiling panel - isolating the circuit, cutting the aperture, connecting the driver and testing the CCT function.

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Installing an Ohme Home Pro EV charger: what the job involves

What an Ohme Home Pro EV charger installation involves in the UK -- supply and earthing check, cable run, Type B RCBO, smart energy tariff setup and Part P notification.

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How to install an outdoor socket safely

A UK guide to fitting a weatherproof external socket: choosing an IP-rated socket, running the cable, RCD protection requirements, and when the job needs a Part P electrician.

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How to install an outdoor wall light

A safe UK guide to fitting a fixed outdoor wall light - IP ratings, weatherproof back plates, isolating the circuit, wiring L N E, earthing the fitting, and the Part P rules explained plainly.

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How to install armoured cable (SWA) underground

UK guide to installing steel wire armoured (SWA) cable underground - trench depth, cable glands, armouring as the CPC, burial markers, and Part P notification explained.

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How to install garden lighting safely

UK guide to installing garden lighting safely: choosing outdoor-rated fittings, RCD protection requirements, burying SWA cable and when you need a qualified electrician.

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How to install LED downlights safely

A UK guide to fitting LED downlights: marking out, cutting apertures, running the wiring, fitting fire hoods, and the isolation and earth checks that keep the job safe and legal.

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How to run cable in PVC conduit

A UK guide to running electrical cable in rigid PVC conduit - when to use it, sizing, fixing spacings, bending, drawing cable through and complying with BS 7671. Ideal for garages, workshops and exposed runs.

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How to run cable in steel conduit

A UK guide to installing 20mm steel conduit: cutting, deburring, fixing saddle clips, threading cable, earthing the metallic system and the tests required before switching on.

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How to run cable in surface trunking

A UK guide to running electrical cable in PVC surface trunking - choosing the right size, fixing the base, cable fill limits, accessible joints and when to call an electrician instead.

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How to run cable under a floating floor

A UK guide to threading electrical cable under laminate and engineered floating floors: where cable can go, how to use a cable rod, protecting the conductors and the tests required under BS 7671.

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How to save money on a house rewire: advice from an electrician

Practical advice from a UK electrician on reducing the cost of a full house rewire without cutting corners. Covers timing, access, quoting, and what should always be included.

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How to strip and terminate twin and earth cable

How to strip PVC twin and earth cable correctly, sleeve the earth conductor in green-and-yellow sleeving, and make secure terminations at sockets, switches and ceiling roses.

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How to use crimp connectors on electrical cables

A UK guide to crimping bootlace ferrules and butt-splice connectors onto electrical conductors - selecting the right crimp size, stripping correctly, using a ratchet crimp tool and enclosing the joint under BS 7671.

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How to use Wago 224 connectors for light fittings

A UK guide to using Wago 224 connectors - the push-in block designed for pendant light fitting terminals, ceiling roses and suspended lamp holders.

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What to expect from a house rewire

A plain-English guide to what a full house rewire involves in the UK -- from first-fix cable routing to final certification. Covers timescales, Part P, and what to ask your electrician before they start.

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What to expect from a solar battery installation

A plain-English guide for UK homeowners on what to expect from a home battery storage installation: DNO notification, G98 and G99, MCS certification, what happens on the day, and how to spot a quote that cuts corners.

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What to expect from an ASHP electrical installation

What the electrician actually does when connecting an air source heat pump - supply cable sizing, isolator fitting, wiring centre connections, earthing, and the certificates you should receive.

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What to expect from a home EV charger installation

A plain-English guide to getting a home EV charger fitted in the UK. Consumer unit checks, cable routes, load balancing and what happens on installation day. Honest on the gotchas.

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How to wire a bathroom extractor fan

A UK guide to wiring a bathroom extractor fan: bathroom zones, isolation, switching methods (light switch, timer, humidistat), over-run settings, and when to call an electrician.

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How to wire a batten lampholder (BC and ES)

A UK guide to wiring a BC (bayonet cap) or ES (Edison screw) batten lampholder safely: isolating the circuit, understanding the internal connections, earthing plastic and metal holders, and testing.

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How to wire a ceiling rose (UK)

A safe UK guide to replacing a ceiling rose pendant - understanding loop-in wiring, identifying the switched live, making the correct connections, and when to stop and call an electrician.

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How to wire a central heating programmer safely

A UK guide to wiring and replacing a central heating programmer -- identifying the terminals, choosing a compatible replacement, transferring wires safely and testing your heating schedule.

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How to wire a conservatory electrical supply

A UK guide to wiring the electrical supply to a new conservatory - SWA cable from the consumer unit, a dedicated RCD sub-board, sockets, lighting and Part P notification requirements explained.

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How to wire up a consumer unit: dressing cables and making connections

A UK guide to wiring a domestic consumer unit - dressing PVC single-insulated cables, identifying circuits, connecting earth, neutral and line conductors, and testing before energising.

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How to wire a cooker circuit in a UK home

A UK guide to cooker circuit wiring - cable sizing, the cooker connection unit, diversity explained, and the clear line between homeowner DIY and Part P notifiable work.

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How to wire a kitchen cooker hood

A UK guide to wiring a kitchen extractor hood - checking whether it needs hardwiring or a plug socket, sizing the fused connection unit, choosing the right fuse, and when a new cable run becomes Part P notifiable work.

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How to wire a doorbell transformer

A UK guide to wired doorbell systems - how the transformer works, the BS 7671 band 1 and band 2 separation rule, running bell wire, connecting the bell push and chime, and when an electrician is needed for the mains side

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How to wire a dusk-to-dawn photocell switch

A UK guide to wiring a dusk-to-dawn photocell switch: choosing the right unit, identifying the three terminals, making the connections, positioning the sensor, and adjusting the switching threshold.

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How to wire a fused connection unit (fused spur)

A UK guide to wiring a fused connection unit or fused spur for fixed appliances. Covers FCU types, choosing the right fuse rating, Line In versus Line Out terminals, and the Part P question answered plainly.

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How to wire a garage consumer unit

A UK guide to wiring a sub-consumer unit in a garage or workshop - choosing the right metal enclosure, MCB ratings, 30mA RCD protection under BS 7671, and the tests to carry out before energising.

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How to wire a garden room or summer house

A UK guide to wiring a garden room or summer house - armoured cable burial depth, sub-consumer unit requirements, Part P notification, earthing arrangements and what the electrician needs to certify.

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Wire a gas boiler electrical supply

A UK guide to the electrical supply for a domestic gas boiler: the fused connection unit (boiler spur), cable sizing, programmer wiring and zone valve connections. Honest on what is Part P notifiable work.

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How to wire a hot tub electrical supply

A UK guide to hot tub electrical supply - understanding the PME earthing question, sizing the supply cable, installing an outdoor isolator and RCD protection in line with BS 7671.

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How to wire a lighting circuit using junction boxes

A UK guide to wiring a lighting circuit using the joint box method - isolation, mounting an accessible junction box, connecting the supply, switch drop and light fitting, with the BS 7671 accessibility rule explained.

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How to wire a media wall

UK guide to wiring a media wall: planning socket positions, chasing recesses, running cable behind the wall and testing before the joiner closes everything up.

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How to wire a motorised zone valve

A UK guide to replacing and wiring a Drayton or Honeywell 2-port motorised zone valve in an S-plan central heating system. Isolation, wire colour coding, connection and testing explained.

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How to wire a PIR occupancy switch for automatic indoor lighting

A UK guide to wiring a passive infrared occupancy or presence sensor into a lighting circuit - the three-position override, sensitivity settings and when to stop and call an electrician.

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How to wire a Ring wired video doorbell

A UK guide to connecting a Ring Wired Video Doorbell to your existing bell transformer - transformer voltage check, bracket fitting, bell-wire connections and when an electrician is needed for the mains side.

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How to wire a wired room thermostat

A UK guide to wiring a Drayton RTS2 or Honeywell T6360 wired room thermostat into a central heating system. Isolation, terminal connections, programmer integration and testing explained.

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How to wire a separate hob and oven to one circuit

UK guide to connecting a built-in hob and fan oven to a single 32A cooker circuit using a twin outlet unit - diversity calculation, cable sizing and step-by-step connections.

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Wiring a shower circuit

What is involved in wiring a new electric shower circuit in the UK - cable sizing, RCBO selection, routing, and the Part P notification requirement that makes this a job for a qualified electrician.

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How to wire a no-neutral smart light switch in a UK home

UK-specific guide to wiring a no-neutral smart light switch: why UK lighting circuits rarely have a neutral at the switch, how to check, how to wire, and when to call an electrician.

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How to wire a smart thermostat in the UK

A step-by-step UK guide to replacing a wired room thermostat with Hive or Google Nest: safe isolation, identifying your heating system type, photographing existing wiring, and connecting the new receiver.

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How to wire a dedicated storage heater circuit

A UK guide to wiring a dedicated radial circuit for an electric storage heater: cable sizing, Economy 7 metering, the FCU connection, correct RCD protection and the inspector's checklist under BS 7671.

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How to wire a two-way lighting circuit in the UK

A plain-English UK guide to two-way lighting circuits: Common, L1 and L2 terminals explained, 3-core cable colours, the 3-plate loop-in method, and an honest view of when to stop and call an electrician.

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How to wire a UK 13A plug safely

A safe UK guide to wiring a BS 1363 13A plug - identifying the correct terminals, stripping the flex properly, choosing the right fuse, and the one wiring mistake that can make an appliance dangerous.

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How to wire an air conditioning isolator switch

UK guide to wiring a rotary isolator switch for a split-system air conditioning unit - cable sizing, safe isolation, connections, and BS 7671 local isolation requirements explained.

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How to wire an electric gate motor supply

A UK guide to wiring a dedicated mains supply for an electric gate motor: circuit sizing, outdoor cable, IP-rated enclosure, earthing the gate frame and the safety sign requirement under BS EN 12453.

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How to wire an electric towel rail in a bathroom

A UK guide to wiring a hardwired electric towel rail: bathroom zone rules under BS 7671, fused connection unit requirements, cable sizing, earthing, and the Part P question answered honestly.

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How to wire an immersion heater circuit

A step-by-step UK guide to wiring a dedicated immersion heater circuit from the consumer unit: MCB sizing, 2.5 mm² cable run, double-pole switch wiring, and safe connection at the heater head.

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How to wire an induction hob

A UK guide to connecting an induction hob to an existing cooker circuit - checking cable and CCU rating, isolating safely, making the connections and testing every zone under BS 7671.

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How to wire an intermediate light switch

A UK guide to wiring an intermediate light switch for three-switch lighting circuits on stairs and landings. Covers isolation, terminal identification, three-core cable colours and testing all positions.

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How to wire an LED illuminated bathroom mirror

A UK guide to powering an LED illuminated bathroom mirror using a fused connection unit spur - bathroom zone rules, FCU positioning, cable sizing and safe isolation.

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How to wire electric underfloor heating (UK)

UK guide to wiring an electric underfloor heating mat: supply circuit, RCD protection under BS 7671 Section 753, thermostat connection, floor sensor, and the cold resistance test before tiling.

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How to wire a solar CT clamp for smart EV charging

A UK guide to fitting and wiring a CT clamp for solar-aware EV charging: where to clip it, how to run the signal cable, and how to commission the solar mode in your charger app.

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How to wire isolator switches for kitchen appliances

How to wire a switched fused connection unit as an isolator for a fridge, washing machine or dishwasher on a UK kitchen ring circuit. Covers BS 7671 requirements, FCU wiring and testing.

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