BS EN IEC 62271-203:2022

High-voltage equipment;Dielectric-strength tests;Switchgear;Watertightness tests;Rated current;Testing conditions;Insulating enclosures;Electric enclosures;Electrical equipment;Safety devices;Type testing;Artificial weathering tests;Leak tests;Rated voltage;Design;Electrical protection equipment;Non-destructive testing;Pressure testing;Short-circuit current tests;Rated frequencies;Relief valves;Protected electrical equipment;Temperature rise;Electrical testing;Marking;Gases;Type p protected electrical equipment;Circuits;Thermal testing;Impulse-voltage tests;Endurance testing;Ratings;Selection;Verification;Field testing;Earthing;Test equipment;Electric control equipment