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Issue 88 - November 2021

Welcome to the November 2021 edition of Wiring Matters.

The history of cable capacities for conduit and trunking

While cable capacity of conduit and trunking is often discussed in the online IET Engineering Communities forum, specific details are not included in BS 7671:2018+A1:2020. This article looks at the history of cable capacities for conduit and trunking and where to find the relevant information

Recommended war emergency relaxations of the IEE Wiring Regulations 1942

World War II started on 1 September 1939 and ended on 2 September 1945, lasting six years and, still to this day, remains the deadliest conflict in history, claiming an estimated 70 million lives. This article looks at the role the Institution of Electrical Engineers (IEE) had to play during wartime and why relaxations to the IEE Wiring Regulations during that period were deemed necessary.

OZEV to release EV charging infrastructure guide for Local Authorities

The IET has been working with not-for-profit, independent, low carbon-transport consultants at Cenex to produce a guide to give Local Authority officers involved with EV charging projects access to the necessary information to make the right decisions when deploying infrastructure.

The upcoming Guide to Implementing Electrified Heat in Domestic Properties

Never has it been a better time to consider electrified heating systems in domestic properties whether that being in new builds or in refurbishments.

Revision of the Electrotechnical Assessment Specification (October 2021 edition)

The UK national Electrotechnical Assessment Specification Management Committee (the EAS Committee) prepares and publishes the Electrotechnical Assessment Specification (EAS document) for use by Certification and Registration Bodies and describes the minimum requirements for an enterprise (e.g., contractor) to be recognized by a Body as competent to undertake electrotechnical work in defined categories.

DC Realisation in the 21st Century

This article is part 1 of a 4-part series that will take us through the history of DC evolution to the benefits of modern-day application.