[RE-wrenches] AFCI trip on metal roof

[Jay]

Hi drake. 

I've been researching problems with using the wrong connectors. 
Are your home runs using same brand connectors as the modules?

Jay

Peltz power. 

> On Mar 23, 2016, at 2:08 PM, Drake <drake.chamberlin at redwoodalliance.org> wrote:
> 
> Hello Wrenches, 
> 
> We have a project with an array on a large metal roof. The AFCI has been tripping. Investigating the system, there is no evidence of any arcing: the wiring and connections are all very tight. 
> 
> SMA tech support says it is likely that the nuisance tripping comes from electrical noise getting picked up by the large metal roof. 
> 
> What has been your overall experience with nuisance tripping of arc fault protection? What were the suspected causes? What was the solution?
> 
> Thanks,
> 
> Drake 
> 
> Drake Chamberlin
> Athens Electric LLC
> OH License 44810
> CO License 3773
> NABCEP Certified Solar PV 
> 740-448-7328
> http://athens-electric.com/ 
> 
> 
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