Ключевые слова:
Electric plugs, Electric sockets, Product specification, Specification (approval), Marking, Leakage paths, Earthing, Ageing tests, Humidity, Classification systems, Type testing, Electrical insulation, Thermal resistance, Tracking, Corrosion, Corrosion protection, Corrosion resistance, Flexible conductors, Flexible cables, Residual stresses, Strength of materials, Temperature