Solving electrical problems with thermal imaging
Monday, 05 February 2018
Fluke has produced this handy guide to help professionals in the electrical industry understand the benefits of thermal imaging technology. Today’s thermal imagers are rugged, easy to use, and much more affordable than even just a few years ago. They have become a realistic solu¬tion for everyday electrical maintenance. To use, a qualified technician or
- Published in Electrical
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Is Electrical Engineering the Right Career Choice for You?
Tuesday, 02 January 2018
We all know that choosing a career path is something that requires a firm decision and understanding the pros and cons of each path. It is true that there is no perfect career in the world and one has must be ready for a lot of hard work before they can reap the benefits. The
- Published in Electrical
Electrical supply to an outbuilding
Wednesday, 13 December 2017
An overview of the correct procedures associated with installing an electrical supply to an outbuilding. Before carrying out any new or additional installation works a contractor must determine that the supply to the installation is sufficient to meet the demands of the additional load. It must also be verified that the existing earthing and bonding
- Published in Electrical
The installation of Band I and Band II circuits
Friday, 24 November 2017
This article aims to provide clarity on the requirements of BS 7671 concerning Band I and Band II circuits. Electrical installation work, particularly in commercial and industrial premises, can often include a range of installation systems. This article looks at some particular requirements of BS 7671concerning the routing of the following: Band I installations, which typically cover circuits
- Published in Electrical
Low GWP equipment selection guide
Thursday, 09 November 2017
A new document from Beijer Ref seeks to clarify what refrigeration equipment is currently approved as suitable for use with the new generation of lower GWP refrigerants. The document provides concise background information on the lower GWP refrigerants which are now commercially available and widely accepted as the candidates to replace R404A in the immediate
- Published in Electrical
The earthing functions that can be performed by the armouring of a cable
Tuesday, 07 November 2017
Whilst the primary function of the metallic armouring of an armoured cable is to provide overall strength, it may be used as a circuit protective conductor (cpc), main protective bonding conductor or, where practicable, an earthing conductor. Whichever of these three functions is to be performed by the armouring of a cable, all the relevant
- Published in Electrical
18TH EDITION – Get up to speed with the latest changes
Monday, 23 October 2017
It is now just one year away until the 18th Edition of the IET Wiring regulations is published. The new standard is expected to be available on or around July 1, 2018 with electrical contractors and electricians given a six month transition period to get up to speed with the changes. From January 1 2019,
- Published in Electrical
Technical Guide: Henley blocks and isolation
Wednesday, 27 September 2017
- Published in Electrical
RCD Requirements: Reliable and safe installations
Wednesday, 20 September 2017
Chaz Andrews, Technical Manager at Doepke UK Ltd, considers the, often inconsistent, requirements of RCD protection in modern homes. Type AC RCDs may not be appropriate for modern homes which use energy-saving white goods, LED lighting, induction hobs, heat pumps etc. Most appliances these days include some form of “power electronic converter system” (PECS) to
- Published in Electrical
Shedding some light on earth leakage
Wednesday, 06 September 2017
Many contractors find earth leakage confusing, but Peter Wade of Megger is ready to help with a useful introduction to this important subject. What is earth leakage? The IET Wiring Regulations (BS 7671) covers two related definitions. They say that leakage current is “electric current in an unwanted conductive path under normal operating conditions.” And
- Published in Electrical