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    In a British 3 pin socket , when was the Earth wire introduced and why?

    I a British 3 pin plug , when was the Earth wire introduced and why?

    0  Views: 358 Answers: 1 Posted: 8 years ago

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    BS 1363 plugs and sockets started appearing in 1946 and BS 1363 was first published in 1947. By the end of the 1950s, it had replaced the earlier BS 546 in new installations, and by the end of the 1960s, most earlier installations had been rewired to BS 1363 standards. Outlets usually include switches on the live side for convenience for safety.


    From Wikipedia.



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