BS EN IEC 61439-1:2021

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