Descriptors | Fuses, Electric power distribution, Control equipment, Transformer substations, Rated current, Verification, Marking, Electric power networks, Impact testing, Electric conductors, Switchgear, Electric control equipment, Design, Mechanical testing, Thermal testing, Salt-spray tests, Electrical installations, Electrical testing, Corrosion tests, Electric substations, Three-phase current, Environmental testing, Electrical protection equipment, Electric connectors, Aluminium, Type testing, Copper, Electrical equipment |