Electrical Guides and Articles
Clear explanations of wiring, components, regulations, and electrical safety.
Solar PV and Battery Storage Basics for Homeowners
Solar PV panels generate DC electricity that must be converted to AC for home use. This guide explains how solar panels work, inverter wiring, battery storage integration, earthing requirements, and DNO notification for UK installations.
How to Install an EV Charger: Dedicated Circuit Guide for Home Charging
Installing an EV charger at home requires a dedicated high-current circuit, PEN fault protection for PME supplies, and often DNO notification. This UK guide covers 7 kW and 22 kW chargers, cable sizing, earthing requirements, and safe installation.
How to Wire a Smart Doorbell: Ring, Nest and Wired Doorbell Installation
Installing a wired smart doorbell requires a compatible transformer, correct voltage, and often bypassing the existing chime. This guide covers 8–24 V transformer wiring, AC vs DC, chime compatibility, and safe SELV installation.
How to Wire an Immersion Heater and Cylinder: Single, Dual and Economy 7 Setup
Immersion heaters provide backup or primary hot water heating. This UK guide explains single and dual element wiring, timer and boost switch connections, cable sizing, and Economy 7 off-peak heating setups.
How to Wire a Fused Connection Unit (FCU): Switched, Unswitched and Spur Rules
A Fused Connection Unit provides fused protection for permanently connected appliances. This UK guide explains how to wire switched and unswitched FCUs, when to use them, fuse ratings, and the rules for adding spurs to ring circuits.
How to Wire an Electric Shower: Cable Size, MCB Rating and Safe Installation
Electric showers draw 40–50 A and need dedicated high-current circuits. This UK guide explains cable sizing, MCB/RCBO selection, double-pole isolation, routing requirements, and Part P notification for safe shower installation.
PAT Testing Explained: Portable Appliance Testing for Landlords and Businesses
PAT testing checks that electrical appliances are safe to use. This guide explains what gets tested, how often, the legal requirements for landlords and employers, and the difference between PAT and EICR.
How to Trace an Electrical Fault Safely: A Homeowner-Friendly Guide
Electrical fault finding starts with symptoms, isolation, safe testing, and pattern recognition. This guide explains how to narrow down RCD trips, MCB trips, dead sockets, flickering lights, open circuits, reverse polarity, and earth faults without taking unsafe risks.
Why Does My MCB Keep Tripping? Overload, Short Circuit and Fault-Finding Guide
An MCB that keeps tripping is usually caused by overload, short circuit, appliance failure, damaged wiring, or an incorrectly rated breaker. This guide explains how to identify the cause safely and when to call an electrician.