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- ...urther changes to those listed here, introduced by [[BS7671 Amendment 1]] (the green book) ...sh Electrotechnical Committee (BEC) and The Institution of Engineering and Technology (IET).</span>17 KB (2,464 words) - 14:55, 18 November 2018
- [[File:Ring circuit.jpg|thumb|343x343px|Diagram of a possible configuration of ring final circuit. Consumer unit is at bottom left.]] ...oped and used in the UK that uses two conductors for each of live, neutral and earth to supply each connected socket (or other load).17 KB (2,768 words) - 14:22, 28 June 2022