[chicken steve]

read the '11 change in 690.11 Mac


~CS~

 

[chicken steve]

However, that doesn't take these guys off the hook. I would like to know what is causing them to trip. Any theories ?

A grounding issue is my best guess WildOne

To back that keyboard theory up, i'd point out all the '11 grounding changes in 690

In fact, if i were Mac......:whistling2:


~CS~

 

[chicken steve]

that covers a lot of territory.

too much for me to wrap my pea brain around, anyway, especially since I don't do solar.

To be honest, the local solar gurus always beat me out WildOne....

But one thing i do notice about them is, they've very little idea about applying 690,especially when & where they are not subject to any oversight

That said, you've got more code in your pinky than most solar guys i know around here. :thumbsup:So take a look, first @690.11 (direct current arc fault protection) , and then @ Part V of 690 (grounding)

The CMP had a field day with those particular parts of 690 in the '11, not that i'm privy to the substantiation, but the two issues are relevant to each other in the respect that all afci's do is gfpe at best.

~CS~