Thread: Electrical earthing 10mm 16mm regs.
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Bob Eager Bob Eager is offline
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Default Electrical earthing 10mm 16mm regs.
On Sun, 17 Aug 2008 12:40:09 UTC, wrote:

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?

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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