Ключевые слова:
Railway fixed equipment, Rail safety, Electrical safety, Overhead power lines, Overhead contact systems, Electric substations, Electrical faults, Electrical protection equipment, Ground-level contact systems, Earthing, Railway equipment, Safety measures, Switching substations, Direct current, Railway electric traction equipment, Earth-leakage circuit-breakers, Alternating current, Earth conductors, Electric shocks, Voltage, Protective relays, Clearances, Electric power transmission, Railway applications