Electrical earthing 10mm 16mm regs.

Aug 17, 2008 1 Replies

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thomasbarkley 17 years ago

I have a report that states:

"The main earthing conductor between the supply cable sheath is too small, i.e. it is 10 mm and should be 16mm and installed between sheath and consumer unit direct."

Does it have to be 16mm?

Thanks

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Bob Eager 17 years ago

It used to depend on the size of the main meter tails. If the meter tails are 25 sq mm, then the main earthing conductor has to be 16 sq mm.

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