Originally Posted by Dugmor

That is the problem ..... who knows that they are using as the common.... I would use the red as the common.... but since he is getting power to the light when he caps the red... it make me think other wise.

I was thinking the same thing.... I had fun working on the big stuff. Twisting 500 MCM. Didnt mind getting hit by 120... it was working in a ceiling and getting hung up on 277 that hurt !