This standard specifies the types and dimensions of screw-on 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 1406.1-2008 Referenced Document
GB/T 1483.1 Gauges for lamp caps and holders.Part 1:Gauges for screw caps and holders
GB/T 19148.1 Types and dimensions of lampholder.Part 1: Screw lampholder
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
GB/T 1406.1-2008 history
2008GB/T 1406.1-2008 Types and dimensions of lamp caps.Part 1:Screw caps
2001GB 1406-2001 Types and dimensions of Edison screw lamp caps
GB/T 1406.1-2008 Types and dimensions of lamp caps.Part 1:Screw caps has been changed from GB 1406-2001 Types and dimensions of Edison screw lamp caps.