Re: [RE-wrenches] grounding on metal roofs

Wrenches: I think the trick is to remove the roofing from the category of “likely to become energized.” If your wire management is such that there is no way that any PV wire can come into contact with the metal roofing, then you are not obligated under 250.4(A)4 to bond. How one accomplishes

Re: [RE-wrenches] Microinverter Fault Trips Branch Circuit Breaker

I’ve had this happen many times with Enphase micro inverters. I’ve actually had them burn the back of a PV module. The cause was an internal short circuit which tripped the strings circuit breaker, when I cycled the breaker and turned it back on.. instant trip. I would put someone up on the

[RE-wrenches] Sanyo HIP-200 Modules

Anyone have a lead on 2-4 Sanyo HIP BA3 Mods? Thanks, Howie Michaelson Sun Catcher ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cg

[RE-wrenches] O & M

Wrenches I am looking to see who might be interested in a O & M service contract near San Jose Ca. Please contact me off line 707 888 2701 Jerry Shafer NABCEP PV, PV Inspector ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wren

[RE-wrenches] Microinverter Fault Trips Branch Circuit Breaker

This is not a knock on microinverters, but information to potentially help save the next guy a bunch of time... This is not specific to any brand, but for purposes of explaining I will mention it was an Enphase IQ6+ system. One of the great advantages of microinverters, even over optimizers, in my

Re: [RE-wrenches] grounding on metal roofs

Local AHJs here have sometimes required/accepted a single listed lug on a single pan. How you seal that effectively and permanently is a mystery to me, but what's more of a mystery is the sensibility of the conclusions they reach. Unless every pan, cap, and flashing within reach of an energized con