Category: How to

How to wire up light switches

How to wire a light switch

If you find yourself asking how to wire a light switch then the simple answer is don’t, get a competent Electrician to do it for you.

Zs Converter

Convert Old Zs Values to 18th Edition Zs Values

Convert Zs values from a previous version of BS 7671 to BS 7671 18th edition 230v Cmin values.

Cable Limiting Temperature Time Calculator

Protection Against Exceeding Cable Limiting Temperature

Calculate how long a cable will take to reach its limiting temperature under fault conditions.

RCD Tripping

RCD Tripping

RCD Tripping Faults. Here we look at the possible causes and solutions for tripping RCD’s.

Maximum demand diversity

How to calculate diversity and maximum demand

Diversity Calculator App: How to calculate total connected load, apply diversity and calculate the maximum demand, with examples. Download for iOS + Android.

Domestic Electrical Installation Condition Report

How to Complete a Domestic Electrical Installation Condition Report

A step by step video guide on filling in the Domestic Electrical Installation Condition Report paperwork.

Minor Works Certificate

How to Complete an Electrical Minor Works Certificate

A step by step video guide on filling in a Minor Electrical Installation Works Certificate paperwork.

How to Calculate kVA

How to Calculate kVA

Learn how to calculate to and from kVA, Amps, kW, Volts and Power Factor, with single phase and three phase calculation examples.

EICR Codes

How to code observations on a condition report

A guide to selecting and coding EICR observations. EICR codes include C1, C2, C3, FI and N/V, find out what they mean and how to use them.