Hi Guys
I have a small job lined lined up , basically theres a 4.0 SWA from a RCD shower unit on a 40A breaker run 11m to a 45A switch then 1/2m in to 6.0 T&E to a 8.5Kw shower . The 4.0mm SWA is clipped surface for 2m then underground for 2m in its own pipe then 6m through a stud wall with...