Don:

Most all listed or labeled equipment comes with instructions that are required to be followed, and include detailed guidelines to keep the products operational.

I see where the rules in 110.3(A) and (B) apply.

What if there was a switch that was defective like this one?

[Linked Image]

Sparky:

Please clarify what you are trying to say. We find it very difficult to understand you!

Joe Tedesco, NEC Consultant