Power Engineering of Gatchina

the definition of the route of cable laid to a depth of 2 meters
the fault location of the cable
measurement (measurement) insulation resistance of electric wiring and cable lines (voltage up to 10 kV)
measurement of grounding devices resistance
check the circuit between grounded installations and elements of the grounded installation
circuit check "phase-zero" in electrical installations up to 1000 V with the TN
check the operation of protective devices (RCD)
validity check circuit breaker
testing of relay equipment (in electric installations with voltage up to 10 kV)