| Descriptors |
Induction-voltage regulators, Test equipment, Type testing, Power transformers, Tap-changing equipment, Circuits, Design, Name plates, Marking, Resistors, Electrical testing, Definitions, Electrical insulation, Dielectric-strength tests, Ratings, Switches, Mechanical testing, Selector switches, Short-circuit current tests, Temperature rise, Endurance testing, Performance testing, Electric contacts
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