• • • BS 7671 'Requirements for Electrical Installations. IET Wiring Regulations', informally called in the electrical community The 'Regs', is the national standard in the United Kingdom for electrical installation and the safety of in domestic, commercial, industrial, and other buildings, also in special installations and locations, such as marinas or caravan parks.

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In general, BS 7671 applies to circuits supplied at nominal voltages up to and including 1000 volts AC or 1500 volts DC. The standard therefore covers the 230 volt 50 Hz AC mains supply used in the UK for houses, offices, and commerce. Pl Sql Developer Oracle Client Not Properly Installed Oraclehomekey there. It did not become a recognized British Standard until the publication of the 16th edition in 1992. The standard takes account of the technical substance of agreements reached in The current version is BS 7671:2008+A3:2015 (the 17th edition incorporating Amendment 3:2015) issued in 2008 and updated ('Amendment no. 3') in January 2015 and mandatory from July 2015, although some provisions only came into force in January 2016. BS 7671 is also used as a national standard by,,,,,,,, and several other countries, which base their wiring regulations on BS 7671. Contents • • • • • • • • Compilation and publication [ ] The standard is maintained by the Joint IET/BSI Technical Committee JPEL/64, the UK National Committee for Wiring Regulations, and published by the (formerly ).