GB/T 1406.4-2008Types and dimensions of lamp caps - Part 4: Miscellaneous caps (English PDF)
灯头的型式和尺寸 第4部分：杂类灯头
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Issued by
State Administration for Market Regulation; Standardization Administration of China
Level / Type
National · Recommended
Issue date
July 30, 2026
Implementation date
November 1, 2026
Scope
GB/T 1406.4-2008 is the English-translated version of 灯头的型式和尺寸 第4部分：杂类灯头.
GB/T 1406.4-2008 is the Chinese standard "Types and dimensions of lamp caps - Part 4: Miscellaneous caps". It was issued by State Administration for Market Regulation; Standardization Administration of China. Issued on 2026-07-30, in force from 2026-11-01.
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Document preview — GB/T 1406.4-2008
National Standard of the People's Republic of China
- ICS
- 29.140.10
- Classification
- K74
Issued by: State Administration for Market Regulation; Standardization Administration of China
1 Foreword
GB/T 1406.4-2008 was issued by State Administration for Market Regulation; Standardization Administration of China on 30 July 2026 and has been in force since 1 November 2026.
It is one of 8 parts of the GB/T 1406 series.
2 About this standard
Sector: National Standard (Recommended)
Issued by: State Administration for Market Regulation; Standardization Administration of China
English translation: about 47 pages (approximate)
Chinese original: about 70,785 characters
3 Related standards
Other parts of this standard:
GB/T 1406.1-2008 — Part 1: Screw caps
GB/T 1406.1-2026 — Part 1: Screw caps
GB/T 1406.2-2008 — Types and dimentions of lamp caps - Part 2: Pin lamp caps
GB/T 1406.2-2026 — Types and dimentions of lamp caps - Part 2: Pin lamp caps
GB/T 1406.3-2025 — Part 3: Prefocus caps
GB/T 1406.5-2008 — Part 5: Bayonet caps
GB/T 1406.5-2026 — Part 5: Bayonet caps
Other editions:
GB/T 1406.4-2026 (later edition)
4 Classification and status
International classification (ICS): 29.140.10
Chinese Standard Classification (CCS): K 74
Prefix GB/T: recommended standard.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 47 pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 1483.4-2026Gauges for lamp caps and lampholders - Part 4: Gauges for miscellaneous caps and lampholders
- GB/T 21096-2026Fluorescent ultraviolet lamps used for tanning - Measurement and specification method
- GB/T 48054-2026Lamps, light sources and LED packages for road vehicles - Performance specifications
- GB/T 18661-2020Metal-halide lamp(ScI3-NaI series)—Performance requirements
- GB/T 24458-2017Ceramic metal halide lamps -- Performance specification
- GB/T 14094-2016Tungsten halogen lamps (non-vehicle) -- Performance requirements
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Related Standards
GB/T 1406.5-2026 — Types and dimensions of lamp caps - Part 5: Bayonet caps
GB/T 1406.3-2008 — Types and dimensions of lamp caps - Part 3: Pre-focus caps
GB/T 1406.5-2008 — Types and dimensions of lamp caps - Part 5: Bayonet caps
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GB/T 1406.4-2008
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