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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
Burton upon Trent, also known as Burton-on-Trent or simply Burton, is a market town in Staffordshire, England, close to the border with Derbyshire. In 2011, it had a population of 72,299.[2] The demonym for residents of the town is 'Burtonian'. Burton is 11 miles (18 km) southwest of Derby, 27 miles (43 km) northwest of Leicester, 28 miles (45 km) west-southwest of Nottingham and 20 miles (32 km) south of the southern entrance to the Peak District National Park.
Burton is known for brewing.[3] The town originally grew up around Burton Abbey. Burton Bridge was also the site of two battles, in 1322 when Edward II defeated the rebel Earl of Lancaster and 1643 when royalists captured the town during the First English Civil War. William Lord Paget and his descendants were responsible for extending the manor house within the abbey grounds and facilitating the extension of the River Trent Navigation to Burton. Burton grew into a busy market town by the early modern period.
The town is served by Burton-on-Trent railway station. The town was also the start and terminus of the now defunct South Staffordshire Line which linked it to Lichfield, Walsall, Dudley and Stourbridge.
