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Electrical Blog

Wiring Colour Codes

Wiring Colours

Common AC mains electrical wiring colours by country, UK, USA, CANADA, EU, SOUTH AFRICA, INDONESIA, AUSTRALIA, NEW ZEALAND, CHINA, BRASIL, INDIA …

BS 7671 18th Edition Amendment 2

Pre-order BS 7671 Amendment 2 2022

BS 7671 18th Edition Amendment 2 2022 is now available to pre-order.

CalCard Calibration

CalCard Calibration Card

CalCard, credit card size card for checking the ongoing accuracy of electrical test equipment.

Electrician Tools

Must Have Tools for Electricians

Essential must have tools for electricians in the 21st century, and a few MUST NOT use tools.

RCD Tripping

RCD Tripping

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

Maximum Demand Calculator App (v1.0.2)

Diversity Calculator app update v1.0.2. Details on the new features and improvements added to the Diversity Calculator for iPhone, iPad & Android.

Lights Flickering

Lights Flickering in House

Here we look at the possible causes and solutions to flickering lights, flickering lights can be caused by a number of factors.

Temporary Electrical System Test Certificates

Temporary Electrical Systems

Temporary Electrical Systems and Temporary Electrical Installations, what is the difference, BS 7909 or BS 7671?

Grade D Fire Alarm Guide

Grade D Fire Alarm Systems Guide

Grade D Fire Detection Systems, the ultimate guide to Grade D Fire Alarm Systems in domestic properties.

Electrical Contractor App

Top 5 Apps for Electricians

The top 5 must have electrical apps for electricians in 2021.