... also customer’s special requirements.4) Type: pin type,post type,disc suspension type,spool/shackle type,strain typea. Disc InsulatorsDisc Suspension Insulators ... ,XWP-160 b. Pin InsulatorHigh Voltage Lines Pin Type Insulator (ANSI): 56-1,56-2,56-3 ... ,56-4,56-5Pin Type Insulator for low & medium voltage lines (ANSI): ... 54-2,54-3,54-4,54-5 e. Spool Insulators for ANSI & BS 5) Colour: gray,brown ...