GB/T 1406.3-2021Types and dimensions of lamp caps - Part 3: Prefocus caps (English PDF)
灯头的型式和尺寸 第3部分：预聚焦式灯头
GB/T 1406.3 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 1406.3-2025 | Types and dimensions of lamp caps - Part 3: Prefocus caps | Valid |
| GB/T 1406.3-2021 | Types and dimensions of lamp caps - Part 3: Prefocus caps | Obsolete |
GB/T 1406.3-2021 is obsolete. It has been replaced by GB/T 1406.3-2025. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Administration for Market Regulation; Standardization Administration of China
Level / Type
National · Recommended
Issue date
March 9, 2021
Implementation date
October 1, 2021
Scope
GB/T 1406.3-2021 is the English-translated version of 灯头的型式和尺寸 第3部分：预聚焦式灯头.
GB/T 1406.3-2021 is the Chinese national standard "Types and dimensions of lamp caps - Part 3: Prefocus caps". It was issued on March 9, 2021 by the State Administration for Market Regulation and the Standardization Administration of China, and took effect on October 1, 2021. It is obsolete: it has been replaced by GB/T 1406.3-2025.
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Document preview — GB/T 1406.3-2021
National Standard of the People's Republic of China
Issued by: State Administration for Market Regulation; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: State Administration for Market Regulation; Standardization Administration of China.
Date of issue: 2021-03-09.
Date of implementation: 2021-10-01.
Status: obsolete, replaced by GB/T 1406.3-2025.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 1406.4-2026 — Types and dimensions of lamp caps - Part 4: Miscellaneous caps
GB/T 1406.2-2008 — Types and dimentions of lamp caps - Part 2: Pin lamp caps
GB/T 1406.4-2008 — Types and dimensions of lamp caps - Part 4: Miscellaneous caps
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GB/T 1406.3-2021
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