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Electrical Installations

British StandardBS 7671"Requirements for Electrical Installations. IET Wiring Regulations", informally called in the electrical communityThe "Regs", is the national standard in theUnited Kingdomfor electrical installation and the safety ofelectrical wiringin domestic, commercial, industrial, and other buildings, also in special installations and locations, such as marinas or caravan parks and medical locations[1]

In general, BS 7671 applies to circuits supplied at nominal voltages (Uo) up to and including 1000 volts AC or 1500 volts DC. The standard therefore covers the Extra Low Voltage (ELV) range (0-50V AC, 0-125V DC), and the Low Voltage (LV) range (50-1000V AC, 125-1500V DC). The frequencies covered for AC are 50 Hz, 60 Hz, and 400 Hz, used in the UK for houses, offices, and commerce. It did not become a recognizedBritish Standarduntil the publication of the 16th edition in 1992. The standard takes account of the technical substance of agreements reached inCENELEC.[2]

The current version is BS 7671:2018 (the 18th Edition) issued in 2018 and came into effect from 1 January 2019.[3]Amendment 1 to the 18th Edition was published in February 2020 but the only changes were to section 722 (Electric Vehicle Charging Installations). These changes came into immediate effect upon publication release, unlike previous amendments where 6 months elapsed before changes became compliant.[4]BS 7671 is also used as a national standard byMauritius,St Lucia,Saint Vincent and the Grenadines,Sierra Leone,Singapore,Sri Lanka,Trinidad and Tobago,Uganda,Cyprus, and several other countries, which base their wiring regulations on

​Cromer (/ˈkroʊmər/ KROH-mər) is a coastal town and civil parish on the north coast of the English county of Norfolk.[1] It is approximately 23 miles (37 km) north of the county town of Norwich, 116 miles (187 km) north-northeast of London and 4 miles (6.4 km) east of Sheringham on the North Sea coastline. The local government authorities are North Norfolk District Council, whose headquarters is on Holt Road in the town, and Norfolk County Council, based in Norwich. The civil parish has an area of 4.66 km2 (1.80 sq mi) and at the 2011 census had a population of 7,683.[2]

The town is notable as a traditional tourist resort and for the Cromer crab,[3][4] which forms the major source of income for local fishermen. The motto Gem of the Norfolk Coast is highlighted on the town's road signs.[5]

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