This standard specifies the types and dimensions of miscellaneous lamp caps. This standard applies to the design and production of electric light source products that use the lamp caps specified in this part as lamp accessories, and also applies to the design of other electric light source products.
GB/T 1406.4-2008 Referenced Document
GB 4208 Degrees of protection provided by enclosure(IP code)
GB/T 20152-2006 Standard method of measuring the pinch temperature of quartz-tungsten-halogen lamps
GB/T 21098 Lamp caps and holders together with gauges for the control of interchangeability and safety—Part 4: Guidelines and general information*, 2022-04-15 Update
IEC 60061-2 Lamp caps and holders together with gauges for
the control of interchangeability and safety –
Part 2:
Lampholders
IEC 60061-3 Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges
GB/T 1406.4-2008 history
2008GB/T 1406.4-2008 Types and dimensions of lamp caps.Part 4: Miscellaneous caps
2003GB 1406.4-2003 Types and dimensions of lamp caps--Part 4: Shell and recessed caps
GB/T 1406.4-2008 Types and dimensions of lamp caps.Part 4: Miscellaneous caps has been changed from GB 1406.4-2003 Types and dimensions of lamp caps--Part 4: Shell and recessed caps.