Hi – Sorry for the beginner question but I’ve come across this system that is grounded to a water pipe. I’m concerned about the paint and corrosion on the water pipe that could prevent a good electrical connection. I haven’t got into testing the system (other than a simple DMM - couldn't prove a...
I’m trying to buy some 16 and 18 switchboard wire that is UL, CSA approved. The wire I want is FR-XLPE and I’ve found it but not UL approved. Manufacture says UL doesn’t recognize 16 and 18 AWG. Is that true?