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Why is the earth pin in a 3-pin plug the longest and the
thickest?
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Answer Posted / tinei munhenzva
Longest:For safety i.e it will be the first connection to
make when you insert a three pin plug.
Thickest: To withstand high fault current in case of an
earth fault without heating up.
| Is This Answer Correct ? | 25 Yes | 2 No |
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