[RE-wrenches] 1000V DC Ground wire?

[Daniel Young]

I use standard THWN-2 green of the appropriate size. Ground wire does not
have to have the 1,000Vrating, as the copper inside is at 0 Vdc to ground
(at least we hope it is J). Remember that EGC's can actually be bare copper
(NEC 250.119), think of the ground wire in ROMEX, or the bare copper you see
grounding light fixtures from IKEA... But if it's insulated or covered, it
has to be green or green with yellow stripes. We don't normally have them
bare in a PV install because we use metallic conduit and you don't touch
bare copper to metallic conduits, not to mention insulated stranded wire is
much easier to pull.

 

With Regards,

 

Daniel Young, 

NABCEP Certified PV Installation ProfessionalTM: Cert #031508-90

Lead Systems Designer for:

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Ph: 740-274-0139

 

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From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On
Behalf Of Allen Frishman
Sent: Monday, December 21, 2015 1:21 PM
To: re-wrenches at lists.re-wrenches.org
Subject: [RE-wrenches] 1000V DC Ground wire?

 

Wrenchers,

What are you using for green ground wire from the array to the inverters for
your 1000V DC systems?  

 

I searched the archives but could not find any info.    I appreciate your
help!!!

Al Frishman
AeonSolar

(917) 699-6641 <tel:%28917%29%20699-6641>  - cell
(888) 460-2867 <tel:%28888%29%20460-2867> 
www.aeonsolar.com <http://www.aeonsolar.com/> 

 

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