| Descriptors |
Mechanical testing, Safety measures, Single-phase transformers, Industrial electrical installations, Temperature rise, Earthing, Classification systems, Electric conductors, Power output, Short-circuit currents, Tracking tests, Electric lamps, Toys, Electrical protection equipment, Fire tests, Impact testing, Bells, Heating tests, Protected electrical equipment, Hand-portable lamps, Domestic electrical installations, Polyphase transformers, Safety isolating transformers, Electric terminals, Marking, Isolating transformers, Shaving equipment, Transformers, Electrically-operated devices, Drop tests, Electrical safety, Dielectric strength, Damp-air tests, Clearance distances, Overvoltage tests, Corrosion tests, Resistance measurement, Overload protection, Leakage paths, Electrical insulation
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