| Descriptors | Electric sockets, Electric connectors, Domestic, Earth-leakage circuit-breakers, Switches, Protected electrical equipment, Electrical safety, Rated voltage, Rated current, Rated frequencies, Classification systems, Marking, Design, Clearances, Performance, Electric terminals, Earthing, Leakage paths, Clearance distances, Type testing, Testing conditions, High-voltage tests, Tracking tests, Electrical testing, Temperature rise, Thermal testing, Performance testing, Mechanical testing, Impact testing, Endurance testing, Corrosion tests, Residual stresses, Damp-heat tests, Fire tests, Heating tests, Test equipment, Circuits, Environment (working), Penetration tests |
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