... sets, connecting sets, combining sets, vibration damper, etc. 2. Series of Pin Insulators & Steel Pins for Overhead Low ... 19, 20, 23, 24, LM010T, 13M (16); etc. 2). IEC Pin Insulators: 57-2L-1, Pin Post; 3). BS ... 3. Series of Strain/Guy Insulators: ANSI 54-1, 54-2, 54-3. 54-4; GS1, GS2, GS3, GS4, ... Series of Spool/Shackle Insulators: ANSI 53-1, 53-2, 53-3, 53-4, 53-5, R-1, R-2, R-8, etc.5. Porcelain ...