Specification for bayonet lamps-caps lampholders and b.c. adaptors (Lampholder - Plugs)
This standard specifies dimensional requirements for lamp-caps, lamp holders and B.C. adaptors (lamp-holder plugs) intended for use on a nominal voltage not exceeding 250 volts. It also specifies performance requirements for lampholders and B.C. adaptors and gives the requirements for gauges for lamp-caps and lampholders.
