Leo1
Member
- Location
- Los Alamos, NM
Article 705.12(A) states the sum of the rating of all overcurrent protection device connected to the "power production sources" cannot be more than the rating of the service.
The NEC states the local utility is not one of the "power production sources" referred to in 705.12. Therefore if the existing service was a 200 AMP it seems I could install 200 AMPs of PV system. However, I have read other material that states Article 705.12(A) is implying all overcurrent protection devices - utility and power production sources. Therefore if a 200 AMP service is protected by a 200 CB or fuse then to add any PV to the supply-side means the entire service must be upgraded? Is that correct?
The NEC states the local utility is not one of the "power production sources" referred to in 705.12. Therefore if the existing service was a 200 AMP it seems I could install 200 AMPs of PV system. However, I have read other material that states Article 705.12(A) is implying all overcurrent protection devices - utility and power production sources. Therefore if a 200 AMP service is protected by a 200 CB or fuse then to add any PV to the supply-side means the entire service must be upgraded? Is that correct?