Ключевые слова: cable, checking, circuit breaker, connection, control, digital multimeter, electrical, electrical cabinet, electrical engineering, electrical maintenance, electrical system, electrical technician, electrical work, electrician, electricity, electronic devices, energy, engineer, engineering, equipment, industrial, industry, job, maintenance, measurement, measuring, measuring instrument, multimeter, occupation, panel, power, power supply, professional, repair, safety, service, technician, technology, testing, voltage, wiring, work,