Ключевые слова:
Marking|Earthing|Single-phase transformers|Temperature-rise limit|Protected electrical equipment|Rated current|Grades (quality)|Portable|Type testing|Resistance-welding equipment|Performance testing|Transformers|Environment (working)|Thermal testing|Testing conditions|Electrical testing|High-voltage tests|Electrical insulation|Short-circuit current tests|Water-cooled systems|Ratings|Welding equipment|Rated voltage|Electrical resistance