Lightning Protection

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Dennis Alwon

Moderator
Staff member
Location
Chapel Hill, NC
Occupation
Retired Electrical Contractor
I have been asked to provide lightning protection for a PV system. Is there a kit avalable or some information on the web access ?

I would hire a qualified company to deal with this. Most EC's are not trained in lightning protection so it is best to let those who are qualified do the job.
 

hillbilly1

Senior Member
Location
North Georgia mountains
Occupation
Owner/electrical contractor
I would hire a qualified company to deal with this. Most EC's are not trained in lightning protection so it is best to let those who are qualified do the job.

I agree, I wired a church, and they wanted me to run the lightning protection from the steeple, I told them no, too much liability. (Especially for a free job!)
 

BretHeilig

Member
Location
Brooklyn NY
I think it kind of depends on what they mean by 'lightning protection'. If they mean, 'catch all lightning strikes and direct them safely to ground', that is a big deal and a job for a specialist. If they mean 'put something in parallel with the AC combiner to protect just the inverters', that's what Midnite Solar's products (and other ones like them) are allegedly for.
 

ggunn

PE (Electrical), NABCEP certified
Location
Austin, TX, USA
Occupation
Consulting Electrical Engineer - Photovoltaic Systems
I think it kind of depends on what they mean by 'lightning protection'. If they mean, 'catch all lightning strikes and direct them safely to ground', that is a big deal and a job for a specialist. If they mean 'put something in parallel with the AC combiner to protect just the inverters', that's what Midnite Solar's products (and other ones like them) are allegedly for.
No argument. I assumed from the way the OP phrased his question that he was talking about lightning/surge protection for the inverter. IMO the Midnite Solar product is much better at that than the other type, which is basically two or three contacts separated by a half inch or so in a container of sand.
 
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