This part specifies the type, size, purpose of use and inspection method of the gauges used to test the interchangeability dimensions of pre-focused lamp caps and lamp holders. This section applies to the design and manufacture of gauges for testing pre-focused lamp caps and lamp holders produced in accordance with GB/T 1406.3 and GB/T 19148.3.
GB/T 1483.3-2008 Referenced Document
GB/T 1406.3 Types and dimensions of lamp caps—Part 3:Prefocus caps*, 2021-03-09 Update
GB/T 1483.1 Gauges for lamp caps and holders.Part 1:Gauges for screw caps and holders
GB/T 1957 Tolerances and general features for plain limin gauges
GB/T 1483.3-2008 Gauges for lamp caps and lampholders.Part 3:Gauges for prefocus caps and lampholders has been changed from GB/T 6998-2002 Gauges of prefocus caps.