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    3. what year was earth wiring included in house wiring of mains electricity?
    what year was earth wiring included in house wiring of mains electricity?

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    0  Views: 915 Answers: 1 Posted: 13 years ago
    Tags: electrical
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      No particular year, different countries, different regulations, from a safety point it is always wise to Earth, very risky otherwise.

      13 years ago. Rating: 2
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