what do you do if you have to upgrade the main earths but its in say an old wylex box ? They only seem to be able to take 10mm max at a push. I thought drilling a bigger hole in the bar but i doubt there is enough meat left to screw it down.
Usually put main earth, main bonding and a bit of 10mm to the Wylex. The holes in the Wylex bar are not very big and most are doubled up.so.......fit external earth bar and move all circuit earths? or just main?
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