Reaffirmed 2017

1. Scope

1.1 This standard lays down the dimensional, safety and performance requirements of bi-pin lampholders for use with tubular fluorescent lamps for general lighting service fitted with G-5 and G-13 bi-pin caps [see IS : 2418 (Part III)-1977*]. These lanpholders are intended for use in circuits connected to an ac supply not exceeding 250 V to earth and not exceeding 660 V when the lamp is removed.

1.1.1 This standard does not cover bi-pin lampholders designed for special purposes, such as waterproof type, flameproof type, etc.