CDavis-BCC-NC
Member
- Location
- Raleigh, North Carolina, USA
The overall system consists of (3) strings of modules with rack mounted micro-inverters mounted up on the roof of the building. The result of this is 3 20 amp AC circuits coming down and back-feeding (3) 20 amp 2 pole breakers in the Main panel at the service entrance. Everything seemed to be fine until the Utility Provider stated that an AC Disconnect would be required between the Solar Generation and the Main Service. Breakers are not considered to be acceptable due to the fact that there is no visible air gap when open. So...to the question.
We intend to pull the (3) 20 amp breakers out of the Main Panel and install them into a new PV-Sub-panel on the backside of the wall come out of that panel and through a Non-fused Disconnect next to the Main Panel and back in to the Main Panel to a back-fed 60 amp Breaker. Can we continue the neutrals down and into the Main Panel or do we need to combine them as we are combining the (3) #12 L-1 and (3) #12 L-2 conductors into (1) #6 L-1 and (1) #6 L-2 conductors into the 60 amp Breaker? (Please See Picture)
Thanks, CD
We intend to pull the (3) 20 amp breakers out of the Main Panel and install them into a new PV-Sub-panel on the backside of the wall come out of that panel and through a Non-fused Disconnect next to the Main Panel and back in to the Main Panel to a back-fed 60 amp Breaker. Can we continue the neutrals down and into the Main Panel or do we need to combine them as we are combining the (3) #12 L-1 and (3) #12 L-2 conductors into (1) #6 L-1 and (1) #6 L-2 conductors into the 60 amp Breaker? (Please See Picture)
Thanks, CD