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Electrical installations Wiring practice by region or country North American practice United Kingdom practice Regulation of electrical installations BS 7671 UK wiring regulations IEC 60364 IEC international standard Canadian Electrical Code (CE Code) U.S. National Electrical Code (NEC) Cabling and accessories AC power plugs and sockets Cable tray Electrical conduit Mineral-insulated copper ...
IET Wiring Regulations", informally called in the UK electrical community "The Regs", is the national standard in the United Kingdom for electrical installation and the safety of electrical wiring systems.
Other color codes are used in the UK and other areas to identify building wiring or flexible cable wiring. Mains electrical wiring, both in a building and on equipment, was once usually red for live, black for neutral, and green for earth, but this was changed as it was a hazard for color-blind people, who might confuse red and green; different ...
UK consumer protection legislation [17] requires that most domestic electrical goods sold must be provided with fitted plugs to BS 1363-1. These are usually, but not necessarily, non-rewirable. Rewirable plugs for hand-wiring with a screwdriver are commonly available and must be provided with instructions. [45]
Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure. Wiring is subject to safety standards for design and installation.
Compared to modern electrical wiring standards, these are the main technical shortcomings of knob-and-tube wiring methods: never included a safety grounding conductor did not confine switching to the hot conductor (the so-called Carter system prohibited as of 1923 places electrical loads across the common terminals of a three-way switch pair)