GB 1444-1987
Replaced
GB/T 1406.3-2025
Active
National standards
GB/T 1406.3-2025 Types and dimensions of lamp caps—Part 3:Prefocus caps
GB/T 1406.3-2025 Types and dimensions of lamp caps—Part 3:Prefocus caps
Basic Information
Standard Code:
GB/T 1406.3-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Electric light source products
ICS Name:
The light head and the light socket
Publish Date:
2025-02-28
Implement Date:
2025-09-01
Pages:
124 pages
Scope
This document specifies the types, basic dimensions, and inspection methods of pre-focused lamp heads.
This document is applicable to the design and production of electric light source products that use the lamp heads specified in this document as lamp accessories. The design of other electric light source products should be carried out with reference to this document.
Development Information
Replace the following standards
Referenced Standards
GB/T 1483.3-2002 Gauges for pin lampholders
GB/T 1483.3-2008 Gauges for lamp caps and lampholders—Part 3:Gauges for prefocus caps and lampholders
GB/T 21098-2007 Lamp caps and holders together with gauges for the control of safety and interchangeability—Part 4:Guidelines and general information
GB/T 21098-2022 Lamp caps and holders together with gauges for the control of interchangeability and safety—Part 4:Guidelines and general information
Adopt standards
IEC 60061-1:2022
Related Standards
GB 13260-1991
Replaced
GB 13260-1991 Typs and dimensions of lampholders for tubular fluorescent lamps and starterholders
GB/T 13261-1991
Replaced
GB/T 13261-1991 Gauges of lampholders for tubular fluorescent lamps and starterholders
GB 2797-1994
Replaced
GB 2797-1994 General specifications for lamp caps
GB 1407-1996
Replaced
GB 1407-1996 Types and dimentions of bayonet lamp caps
GB 17935-1999
Replaced