Ключевые слова:
Building sites, Electrical installations, Low-voltage installations, Industrial electrical installations, Distribution boxes, Temporary electrical installations, Transformers, Three-phase transformers, Single-phase transformers, Portable, Electric sockets, Circuit-breakers, Electrical protection equipment, Electrical equipment, Earthing, Voltage, Electric power distribution, Environment (working), Ratings, Marking, Electric enclosures, Type testing, Electrical testing, High-voltage tests, Electrical insulation, Stability testing