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Specification for 50 A 650 V flameproof, restrained and bolted plugs and sockets for use in coal mines|High-voltage tests, Electrical testing, Electric socket contacts, Endurance testing, Coal mining, Rated voltage, Electric sockets, Electric plugs, Type d protected electrical equipment, Mechanical testing, Interchangeability, Electric connectors, Electric terminals, Electrical insulating materials, Flexible conductors, Electrical components, Marking, Rated current, Electric contacts, Dielectric-strength tests, Temperature rise, Earthing, Statistical quality control, Strength of materials, Thermal testing, Type testing, Pull-out tests, Protected electrical equipment, Heating tests, Mining equipment, Tensile strength, Dimensions
134 GBP
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