... Insulator: ANSI Standard Insulator: 55-1,55-2,55-3,55-4,55-5,55-6,55- ... /8(86)Minimum Pin Height/Average/lb (kN)3,000(13.3)2,500(11.1)Average Flashover VoltageLow ... over them is included in the leakage distance.2.Top-and wire groove shall seat a mandrel ... 12(305)Leakage Distance/in (mm)4-1/2(114)5(127)6-1/4(159)Dry Arcing ... (127)5(127)6(152)Cantilever Strength/Average/lb (kN)2,500(11)3,000(13)3,000(13 ...