engineers hold a tool for checking the performance of the solar panel to confirming systems working normally. photovoltaic module

amp asian background box cable checking clamp clean clip confirming construction control current electric electrical electrician electricians electricity energy engineer engineering engineers equipment factory female fuse helmet hold idea industrial industry inspection installation maintenance man meter module multimeter normally panel people performance photovoltaic power production professional repair repairman safety services solar systems technician technology test tool training voltage voltmeter wires wiring work worker working