Ключевые слова:
Alternating current|Breaking capacity|High-voltage equipment|Purchasing|Rated voltage|Electrical protection equipment|Capacitance|Marking|Overhead power lines|Earthing|Type testing|Earthing switches|Electrical testing|Switches|Electric power transmission lines|Switchgear|Tenders|Grades (quality)|Test equipment|Rated current|Making capacity|Testing conditions|Circuits