Hi
Just completing a house wiring job, I've now got myself a tad confused about what size of earth cable I should be using to bond the incoming gas and water pipes to the main earth near the electric meter. I've already used 10mm, but have got myself worried that this isn't big enough and would rather get it right now than have the inspector tell me to change it later (it's not a trivial task, as the gas and electric meters are at opposite ends of the house!)
The electricity installation is new (and not yet connected to the CU), and it's PME. The earth cable is completely protected mechanically along its length... is there any other info needed to assess the correct earth size? Or do I need to ask the supply company, ahich is what the stuff at
Many thanks David