Ключевые слова:
Overhead power lines, Electric power transmission lines, Electric power transmission, Overhead power-line fittings, Spacers, Separating parts, Design, Quality assurance systems, Classification systems, Type testing, Samples, Acceptance inspection, Visual inspection (testing), Dimensions, Mechanical testing, Vibration testing, Torsion testing, Bend testing, Fatigue testing, Corrosion tests, Chemical-resistance tests, Ozone, Electrical testing, Flexibility, Stiffness, Test equipment