IS:2486 p2 specification for insulation fittings for overhead power lines of 3.3 kv & above
Indian Standard Institute
IS:2486 p2 specification for insulation fittings for overhead power lines of 3.3 kv & above - ISI 1963 - 26
IS:2486 p2 specification for insulation fittings for overhead power lines of 3.3 kv & above - ISI 1963 - 26