S
Scott F
evening all >osg states incoming tails to a house to be 25ml with 16 ml earth now i have come across a fair few properties with tails going to 63 amp main fuse sw then down to 16 ml where in the regs does it go over this ive looked under submains and distributors supply but to no avail>i have this situation where from fuse sw 16ml swa runs 100 metres to cu in house