
DC current has no zero crossing - never unplug MC4 connectors under load. Shut down the inverter, open the DC isolator, verify string voltage with a CAT III meter and always wear insulated gloves.

DC current has no zero crossing - never unplug MC4 connectors under load. Shut down the inverter, open the DC isolator, verify string voltage with a CAT III meter and always wear insulated gloves.