Male engineer listening over the walkIe talkie while nodding his head at the electric substation, handheld closeup

male engineer listening radio nodding head electric substation handheld closeup fence mesh wire handheld transceiver on duty wearing safety reflective vest walkie talkie sunglass technician electrician electrical person worker power line employee career hard hat safety gear professional hazardous area electric talking equipment substation electrician man repairman electricity maintenance tower guy grid construction energy helmet service power plant communication work job industrial