IS 5350 : Part 2 : 1973 : Dimensions of Indoor and Outdoor Procelain Post Insulators and Post Insulator Units for System with Nominal Voltage Greater than 1000 V - Part II : Outdoor Cylindrical Post Insulators

1. Scope

1.1 This standard (Part II) applies to cylindrical post insulator and post insulator units of ceramic material intended for outdoor service in electrical installations or. equipment operating on alternating current with a rated voltage greater than 1 000 V and a frequency not greater than 100 Hz. The insulators covered by this standard are primarily intended for use in isolators (disconnectors) or as bus bar or fuse supports.