The Electrician's Guide to the 17th Edition of the Iet Wiring Regulations BS 7671: 2008 Incorporating Amendment 3: 2015 and

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For years, electricians have relied on Whitfield's book. Unlike other publications, it does not assume that readers are fully conversant with electrical theory. This 4th Edition covers the latest Amendment 3:2015. It also benefits from the expertise of the co-author, Andrew Hay-Ellis (an established author + Chief Examiner at C&G;).