We have introduced the consumer units from Hager here, and there is a substantial guide to the 17th edition consumer units – part 1 and part 2 – and yet there is still more to present concerning the consumer units: some features, benefits, advices for installation, and the flush fit of the Hager Consumer Units(especially [...]
RCD – Residual Current Device
RCD – Residual Current Device – is a generic term for all types of residual current operated device which by definition is: A mechanical switching device or association of devices intended to cause the opening of the contacts when the residual current attains a given value under specified conditions. The more [...]
One of the newest and most innovative consumer unit manufactured by Hager is the 18 Way Flexible Configurable Consumer Unit. This consumer unit is a configurable split load board with 100A Switch and 2 x RCCBs, plus configurable outgoing ways for RCBOs in one row. This system allows the contractor to choose his configuration allowing [...]
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This article is the continuation of the Introduction to the IEE Wiring Regulations, the 17th Edition. The BS 7671:2008 Requirements for Electrical Installations was issued on 1st January 2008 and is intended to come into effect on 1st July 2008. Installations designed after 30th June 2008 are to comply with BS 7671:2008. The Regulations apply [...]
Wiring Regulations 17th EditionThe IET (The Institution of Engineering and Technology) put out some time ago the red-cover book containing the Wiring Regulations 17th Edition, BS 7671 (The IEE Wiring Regulations), which are the national standard to which all domestic and industrial wiring must conform (you can buy it online here). The 17th edition contains substantial changes to align with European documents. The IEE Wiring Regulations are produced by the Institution of Engineering and Technology (The IET). The IEE is an imprint of the Institution of Engineering and Technology and is used for all books related to the Wiring Regulations.