[RE-wrenches] Best practices for conduit penetration on roof

William william at millersolar.com
Sun Nov 25 14:06:54 PST 2012


And if over 250VDC, bonded. 

William


On Nov 25, 2012, at 1:58 PM, Bob-O Schultze <bob-o at electronconnection.com> wrote:

> Don't forget that EMT carrying DC within a building has to be marked every 10'.
> Bob-O
> 
> 



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