BS EN IEC 61439-1:2021

Rated current;Dielectric properties;Circuits;Inspection;Testing conditions;Environment (working);Verification;Electric control equipment;Name plates;Electrical properties of materials;Electrical protection equipment;Performance testing;Electromagnetic compatibility;Switchgear;Electric shocks;Instructions for use;Rated frequencies;Temperature measurement;Approval testing;Dielectric-strength tests;Impulse-voltage tests;Electric terminals;Temperature rise;Electronic equipment and components;Electrical safety;Installation;Rated voltage;Clearances;Voltage measurement;Electrical testing;Marking;Electrical insulation;Low-voltage equipment;Electric conductors;Electrical connections;Leakage paths;Access;Electrical equipment;Type testing;Classification systems