Contents 1 Compilation and publication 2 History of BS 7671 and predecessor standards 2.1 1st Edition 2.2 17th Edition 3 Timeline 4 See also 5 References 6 External links


Compilation and publication[edit] The standard is maintained by the Joint IET/BSI Technical Committee JPEL/64, the UK National Committee for Wiring Regulations, and published by the IET (formerly IEE). Although the IET and BSI are non-governmental organisations and the Wiring Regulations are non-statutory, they are referenced in several UK statutory instruments, and in most cases, for practical purposes, have legal force as the appropriate method of electric wiring.[4] The BSI (British Standards Institute) publishes numerous titles concerning acceptable standards of design/safety/quality across different fields.


History of BS 7671 and predecessor standards[edit] The first edition was published in 1882 as the "Rules and Regulations for the Prevention of Fire Risks arising from Electric Lighting." The title became "General Rules recommended for Wiring for the Supply of Electrical Energy" with the third edition in 1897, "Wiring Rules" with the fifth edition of 1907, and settled at "Regulations for the Electrical Equipment of Buildings" with the eighth edition in 1924. Since the 15th edition (1981), these regulations have closely followed the corresponding international standard IEC 60364. In 1992, the IEE Wiring Regulations became British Standard BS 7671 so that the legal enforcement of their requirements was easier both with regard to the Electricity at Work regulations and from an international point of view.[5] They are now treated similar to other British Standards. BS 7671 has converged towards (and is largely based on) the European Committee for Electrotechnical Standardization (CENELEC) harmonisation documents, and therefore is technically very similar to the current wiring regulations of other European countries. 1st Edition[edit] "Rules and Regulations for the Prevention of Fire Risks arising from Electric Lighting." - Two core cable, line and neutral, no earth. The protection was a re-wirable fuse. 17th Edition[edit] The 17th edition, released in January 2008 and amended in 2011 ("Amendment 1"), 2013 ("Amendment 2") and January 2015 ("Amendment 3") is the latest edition of BS 7671, and became effective for all installations designed after 1 July 2008.[6] One of the more significant changes is (chapter 41) that 30 mA RCDs will be required for socket outlets that are for use by ordinary persons and are intended for general use. This improves the level of protection against electrical shock in the UK to a level comparable to that in other EU countries. The 17th edition and its amendments incorporated new sections relating to microgeneration and solar photovoltaic systems, non-combustible consumer units, RCDs, and breakers (including high resilience breaker layout). As originally published highlights - RCDs required for most outlets Amendment 1 highlights - high resilience consumer units Amendment 2 highlights - electric vehicle charging added, earlier change incorporated for medical locations[7] Amendment 3 highlights - non combustible consumer units/enclosures[3]


Timeline[edit] Date Edition / change Information 1882 1st Edition Titled ‘Rules and Regulations for the prevention of Fire Risks Arising from Electric Lighting’, and known as the "Wiring Rules" 1888 2nd Edition Titled 'Wiring Rules & Regulations in Buildings 1897 3rd Edition Titled ‘General Rules recommended for Wiring for the Supply of Electrical Energy’ 1903 4th Edition issued as IEE Wiring Regulations, called ‘Wiring Rules’ 1907 5th Edition Issued as IEE Wiring Regulations 1911 6th Edition Issued as IEE Wiring Regulations 1916 7th Edition Issued as IEE Wiring Regulations 1924 8th Edition Issued as IEE Wiring Regulations ‘Regulations for the Electrical Equipment of Buildings’ 1927 9th Edition Issued as IEE Wiring Regulations 1934 10th Edition Issued as IEE Wiring Regulations 1939 11th Edition Issued as IEE Wiring Regulations. Revised in 1943, reprint with minor amendments in 1945, supplement in 1946, further revised in 1948 1950 12th Edition Issued as IEE Wiring Regulations. Supplement issued 1954 1955 13th Edition Issued as IEE Wiring Regulations. Reprinted in 1958, 1961, 1962, 1964 1966 14th Edition Issued as IEE Wiring Regulations. Reprinted in 1968, 1969, 1969 again (metric units‹The template Verify source is being considered for deletion.› [verification needed]), 1970 (in metric units), 1972, 1973, 1974, 1976 1981 15th Edition Issued as IEE Wiring Regulations. (Possibly reprinted 1983, 1984, 1986, 1987, 1988?‹The template Verify source is being considered for deletion.› [verification needed]) 1991 16th Edition Issued as IEE Wiring Regulations. Reprinted with amendments 1992, 1994, 1997, 2000, 2001, 2004 1992 BSI adopts as a standard Wiring Regulations adopted by the British Standards Institute as BS 7671 1992 Legislation Electricity at Work Regulations come fully into effect in Northern Ireland 2004 Incorporated into building regulations Part P of the Building Regulations ("Requirements for Electrical Installations") comes into force, covering legal requirements for UK electrical installations. The guidance in the Approved Documents refers to BS 7671 as being one way to achieve compliance. The version in force when the law came into effect was the 16th edition, BS 7671:2001, as amended in 2002 and 2004. 2008 17th Edition Amended 2015 ("Amendment no. 3") - current standard as of October 2016 2018 18th Edition Expected to introduce energy efficiency performance levels[8]


See also[edit] British Standards Electrical wiring Electrical wiring (UK) IEC 60364 Earthing system


References[edit] ^ BS7671 chapter 11 - scope ^ BS7671: Preface ^ a b c http://www.theiet.org/policy/media/press-releases/20150113-2.cfm ^ "Regulatory Requirements" (PDF). p. 3.  ^ Electrician's guide to the 17th edition of the IEE wiring regulations. 3rd edition pub 2012 John Whitfield ^ Geoff Cronshaw: The 17th edition: a brief overview. IEE Wiring Matters, Summer 2007. ^ http://www.voltimum.co.uk/articles/iet-launches-amendment-3-bs-76712008 ^ Whitton, Nicole (2016). "BS 7671: the 18th Edition report". electrical.theiet.org. IET Electrical. Retrieved 2018-02-08. 


External links[edit] Wiring Regulations The 17th Edition Exam Retrieved from "https://en.wikipedia.org/w/index.php?title=BS_7671&oldid=824632654" Categories: British StandardsElectrical safety in the United KingdomElectrical standardsElectrical wiringHidden categories: Use British English Oxford spelling from August 2013All pages needing factual verificationWikipedia articles needing factual verification from April 2015


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