Ключевые слова:
Interchangeability|Performance|Electric terminals|Type d protected electrical equipment|Sampling methods|Electrical testing|Marking|Rated voltage|Endurance testing|Electric connectors|Coal mining|Dielectric-strength tests|Protected electrical equipment|Temperature rise|Electric sockets|High-voltage tests|Electric plugs|Mining equipment|Electrical insulating materials|Heating tests|Mechanical testing|Type testing|Leakage paths|Dimensions|Tensile strength|Rated current|Testing conditions