Descriptors | Electrical insulation, Clearance distances, Environment (working), Leakage paths, Screws (bolts), Temperature-rise limit, Test equipment, Domestic safety, Electrical components, Type testing, Breaking capacity, Classification systems, Testing conditions, Switchgear, Rated current, Earth-leakage circuit-breakers, Environmental testing, Definitions, Electric terminals, Fire tests, Electrical testing, Domestic electrical installations, Verification, Circuit-breakers, Electrical protection equipment, Mechanical testing, Performance testing, Approval testing, Marking, Dielectric-strength tests, Power factor, Performance, Electrical equipment, Impact testing, Thermal testing, Certification (approval), Short-circuit current tests, Electrical safety, Gases, Endurance testing |