Wiring Matters Issue 94 - March 2023

Welcome to the March 2023 edition of Wiring Matters.

Isolation and switching for mechanical maintenance

The topic of heat-damaged shower pull cords was recently discussed on the IET EngX forum, not for the first time it must be said. This article does not look at the reasons for shower pull cord switches burning out, I will save that for another day...

Determining the maximum earth fault loop impedance for protective devices to BS EN 60898 & BS EN 60947-2

Draft for Public Comment - Code of Practice for Electric Vehicle Charging Equipment Installation, 5th Edition

The Code of Practice for Electric Vehicle Charging Equipment Installation, 5th Edition is a well-established and authoritative guidance document providing a clear explanation of electric vehicle (EV) charging equipment and installation. It sets out the considerations and planning needed in advance and then covers the necessary physical and electrical requirements during the installation process. It also details what needs to be considered when undertaking electrical work on charging equipment in various locations - such as domestic dwellings, on-street locations, and commercial and industrial premises.