... disc suspension insulator can be met BS,AS,DIN,ANSI and IEC foreign standard,also customer’s special requirements.4 ... 160 b. Pin InsulatorHigh Voltage Lines Pin Type Insulator (ANSI): 56-1,56-2,56-3,56-4,56-5Pin ... 920 c. Post insulatorsPost insulators for high voltage lines (ANSI): 57-1s,57-2s,57-3s,57-4s,57-5s ... 1,54-2,54-3,54-4,54-5 e. Spool Insulators for ANSI & BS 5) Colour: gray,brown,white,blue,etc ...