Update: This article has been updated to remove the claim that the PV line in would still be live if the switch was off.  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-specificRead More

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