Descriptors | Switchgear, Partial discharges, Dielectric measurement, Rated voltage, Electrical testing, Covers, Design, High-voltage equipment, Mechanical testing, Rated frequencies, Protected electrical equipment, Alternating current, Dimensions, Fault currents, Test equipment, Electric arcs, Interlocks, Marking, Testing conditions, Control equipment, Electric enclosures, Safety measures, Temperature-rise limit, Temperature rise, Earthing, Artificial weathering tests, Type testing, Circuits |