Issue 75 - May 2019

In this issue James Eade busts another myth, our newest author Michael Peace takes a look at bonding and Geoff Cronshaw explains a new energy efficiency standard.

Latest developments in International Standards for energy efficiency

A new standard, IEC 60364-8-1 Edition 2, was published in February 2019.

Mythbusters #4 Double insulated cables

Following on from the last Mythbuster article on appliance testing in the workplace in Issue 74 (March 2019), a reader suggested looking at the confusion between protective measures for electric shock and the construction of flexible cables.

To Bond or not to Bond

Following on from the Mythbusters article in Issue 73 (November 2018) of Wiring Matters, this article looks at the recent change of the wording in Regulation 411.3.1.2 of BS 7671:2018, and what can be done to determine if a conductive part meets the requirements of an extraneous-conductive-part as defined in BS 7671.

Crabtree: time to switch

Electrical safety has always been at the heart of everything Crabtree does, and it all started with a “dolly”. (Sponsored)