Electrician engineer work tester measuring voltage and current of power electric line in electrical cabinet control. and wires on relay protection system. Bay control unit. Medium voltage switchgear.
Close up of electrician's hands in working gloves installing and maintainin electrical junction box. Electrical services concept
Young electrician technician introduces the electric cable into the clamp of the magnetothermic switch with an insulated clamp
Electricity and electrical maintenance service, Engineer hand holding AC voltmeter checking electric current voltage at circuit breaker terminal and cable wiring main power distribution board.
Electrician engineer tests electrical installations and wires on relay protection system. Adjustment of scheme of automation and control of electrical equipment.