[RE-wrenches] EMT in attic - vs FMC vs armored cable

William Miller william at millersolar.com
Fri Nov 9 12:37:35 PST 2012


Hilton:

This is an intriguing concept:  The universal PV AC/DC cable.  It has a 
red, black and white #10, a green #8, it's rated for 600 V AC or DC and for 
wet locations with a metallic cover.  I'd buy a roll.  Where do we get it?

William Miller



At 11:54 AM 11/9/2012, you wrote:
>This subject interests me as I had been considering using waterproof 
>metallic armored cable. I can get pre-made cable with just about any 
>number of conductors of any size, sheathed in a flexible metallic layer 
>and then a UV resistant waterproof layer. The stuff is direct burial as 
>well. Buying 4 conductor and ground #8 would handle 95% of my residential 
>work. I could overkill with #6, or 6 conductor, and the savings on all the 
>screwing around with conduit would still make it better. In bulk it's 
>actually about the same price per foot as individually purchased wire and 
>conduit.
>
>The thing I like about it is that it eliminates all the cutting, 
>measuring, bending, and pulling, or in the case of PVC, stocking of 
>fittings, measuring, cutting, gluing, and pulling. Just roll it off the reel.
>
>The question is, will the AHJ accept it for a >250VDC interior run? Maybe 
>with the right end fittings?
>
>Hilton




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