Tag: NEC 2020
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NEC 2020 | 705.11 | Load and Supply Side Connections
The National Electric Code allows for a few different ways to interconnect PV systems to utility systems. In two editions of Code Corner, Ryan Mayfield with Mayfield Renewables, explain busbar, load side interconnections in 705.12 (B)(3)(1) and (2), and then supply side connections in 705.11(C) and (D). 705.12 (B)(3)(1) The sum of 125 percent of……
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Lock that box: Deadly hazard posed by switch disconnects in PV systems addressed in NEC 2020
While we’ve all been busy figuring out the various ways to comply with NEC 2017 and 2020 rapid system shutdown, NEC 2020 includes another PV system-specific code update that’s arguably more of an everyday potential safety hazard, specifically for children. Highlighted by world-renowned electric code guru Mike Holt in aRead More — Solar Builder magazine
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IMO FireRaptor receives UL PVRSS listing with FIMER solar inverters
IMO keeps racking up the UL PVRSS (Photovoltaic Rapid Shutdown System) listings, last week adding the Fimer UNO range of solar inverters from 1.2kW to 6.0kW and also the Fimer PVS range of solar inverters from 50kW to 60kW under UL1741 guidelines. Preceding this announcement was SMA and Fronius. What’sRead More — Solar Builder magazine