[RE-wrenches] AFCI trip on metal roof

[Drake]

Hi Jay,

Yes, they are the same, MC4.

Drake

At 11:11 AM 3/24/2016, you wrote:
>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 
><<mailto:drake.chamberlin at redwoodalliance.org>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/>http://athens-electric.com/
>>
>>
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