http://www.legislation.gov.uk/uksi/1988/1057/schedule/3/part/1/made

The Electricity Supply Regulations 1988

Electricity supply

King's Printer of Acts of Parliament

2015-12-10

ELECTRICITY

These Regulations replace—the provisions for approval of Systems for the supply of energy and of means of connecting circuits with earth contained in Sections 10(a) and (c) of the Schedule to the Electric Lighting (Clauses) Act 1899 (c. 19)the Electricity Supply Regulations 1937 made by the Electricity Commissioners under the Electricity (Supply) Acts 1882 to 1936 and continued in force by section 60(2) of the Electricity Act 1947 (c. 54); andthe Electricity (Overhead Lines)Regulations 1970 (S.I. 1970/1355).