This standard specifies the type, size, purpose of use and method of use of gauges for testing the interchangeability dimensions of pin-type lamp caps. This standard applies to the gauges used for the design, manufacture and inspection of pin-type lamp caps produced according to GB 2799-2001 "Types and Dimensions of Pin-type Lamp Caps".
GB/T 6997-2001 history
2008GB/T 1483.2-2008 Gauges for caps and lampholders.Part 2:Gauges for pin caps and lampholders