Descriptors | Electric insulators, Glass, Ceramics, Pin insulators, Post insulators, Overhead power-line fittings, Overhead power lines, Electric power transmission lines, Railway electric traction equipment, Overhead contact lines, Railway fixed equipment, Dimensions, Design, Gauges, Withstand voltage, Breaking load, Load capacity, Testing conditions, Leakage paths, Voltage, Noise (spurious signals), Radio disturbances, Railway equipment, Electrical components Railway applications |