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Published 05 Nov 2020
Copper Earth Electrode System Designs Special thanks to Andy Chaluda Business Development Manager - Technical Services at AN Wallis Earth Electrode Systems are a critical part of any electrical system, yet are often seen as inert and may sometimes be dismissed as cost-saving or forgotten about until a later...
Published 19 Oct 2020
Soil Resistivity Surveys Special thanks to Andy Chaluda Business Development Manager - Technical Services at AN Wallis The soil resistivity survey by AN Wallis is the first step in ensuring the correct design of an earth electrode system. It is essential that accurate measurements are taken at this stage...
Published 22 Sep 2020
BS 7671 18th Edition IET Wiring Regulations The IET Wiring Regulations (BS 7671) now require all new electrical system designs and installations, as well as alterations and additions to existing installations, to be assessed against transient overvoltage risk and, where necessary, protected using Surge Protection Devices (SPDs). Covered in...
Published 17 Aug 2020
AN Wallis Earthing & Lightning Protection A. N. Wallis & Co. Ltd announce that they are formally linking up with the ECA – the UK’s leading trade association for electrotechnical and engineering services businesses. A. N. Wallis will become an ECA Consultant & Specifier Associate, providing them with additional...
Published 27 Mar 2020
Republished with Permission of Matthew Taylor – Principal Engineer & Managing Director at Earthing Risk Management Ltd HV System Earthing Design – A Case Study Project Brief An effective earthing system is vital for large installations such as power stations. ERM was asked to verify the proposed earthing design against...