This standard specifies the type and size of pre-focused 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 1406.3-2008 Referenced Document
GB/T 1483.3 Gauges for lamp caps and lampholders.Part 3:Gauges for prefocus caps and lampholders
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
ISO 8092 Road vehicles - Connections for on-board electrical wiring harnesses - Part 5: Test methods and general performance requirements for wiring harness connector operation*, 2020-12-31 Update
GB/T 1406.3-2008 history
2021GB/T 1406.3-2021 Types and dimensions of lamp caps—Part 3:Prefocus caps
2008GB/T 1406.3-2008 Types and dimensions of lamp caps.Part 3: Prefocus caps
2003GB 1406.3-2003 Types and dimensions of prefocus caps
GB/T 1406.3-2008 Types and dimensions of lamp caps.Part 3: Prefocus caps has been changed from GB 1406.3-2003 Types and dimensions of prefocus caps.