SolarBuilder interviewed several leading inverter manufacturers to pick their brains about the new standards UL 3741, that listing to meet the PV Hazard Control subsection of NEC 690.12(B)(2) to comply with rapid shutdown, and UL 1741, meeting interconnection requirements set by the IEEE 1547-2018 standard and include additional tests for fire and electrical safety. They talked about pros and cons of 3741 and the actual importance of 1741.
The downlow on UL 3741 and UL 1741
