Two hots wired together from two separate circuits coming from breaker panel

DNA Robotics

Joined Jun 13, 2014
647
My first impression: If the one circuit went dim, someone may have wired it to another working circuit just to make it work. If that is the case, you may see a Romax wire that looks out of place in the attic or basement. (newer or different color than the rest)

As others have said, it may be a neutral wire.

A Fox & Hound signal tracer may come in handy.
 

Tonyr1084

Joined Sep 24, 2015
7,853
Only a fool pours more water into a bucket full of holes. Unless you are going for some dramatic effect.
Good catch. Was early when I wrote that. Hadn't had my morning starter fluid yet. It's fixed now. Thanks again. It may have been something that my spell corrector thought I wanted to say.
 
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