GFIs and AFCIs [RE-wrenches]

[Jeffrey Wolfe, Global Resources]

Some GFI's work better than others on both mod sine and sine wave power. I know 
Trace has a list of "ok" and "problem" ones, that they will refer to if you 
call with a problem. I have not asked for the list. Maybe they could publish it?

I had one house where all the GFI's hummed loudly. Of course they hummed loudly 
on both gen and inverter power, so the electrician replaced them gratis.

No experience with the AFCI's.

Jeff

Quoting "Allan Sindelar, Positive Energy, Inc." <allan at positiveenergysolar.com>:

> Wrenches.
> The following questions come from our local AHJ, who encountered
> something
> he hadn't seen and asked us for advice. We didn't know either, and I
> offered
> to send him answers from Wrenches. Hooray for an inspector who asks a
> Wrench
> for help!
> 
> 1. Who has experience with GFI breakers on inverter power? Do some work
> better than others, especially with mod-square?
> He discovered that on a system he was inspecting that had a DR inverter
> and
> Square D service panel, the GFI breaker appeared to function OK at the
> breaker, but a tester he used at a receptacle failed to trip the GFI
> breaker. (By the way, he offered that in his experience Eagle brand GFI
> receptacles were less susceptible to problems when test-tripping.)
> 
> 2. Who has had any experience with Arc-fault circuit interrupters,
> required
> by the 2002 code for bedrooms, when running on inverter power? I have
> seen
> nothing on this topic.
> 
> Thanks for any help.
> Allan at Positive Energy
> 
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