I need to run 1#4 copper wire from each of 2-200 amp safety switches to the cold water pipe where it enters the building about 90 feet away. The easiest way to do it would be to run them in the trench with the copper plumbing. Should I run bare or THHN or put them in a PVC conduit?
I see the thread titled: "Color Code for GEC in a Main Service Panel" that there may be an issue with the color if I use THHN
[This message has been edited by elecbob (edited 03-12-2003).]