JB/T 6749-2013Electrical apparatus for explosive gas atmospheres - Explosion-proof lighting (power) distribution box (English PDF)
爆炸性环境用电气设备 防爆照明（动力）配电箱
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
December 31, 2013
Implementation date
July 1, 2014
Scope
JB/T 6749-2013 is the English-translated version of 爆炸性环境用电气设备 防爆照明（动力）配电箱.
JB/T 6749-2013 belongs to the recommended machinery industry series and deals with lighting and power distribution boxes for use in explosive gas atmospheres.
For these boxes, called distribution boxes throughout the text, it establishes the product classification, the basic parameters, the technical requirements, the test methods and the inspection rules, and it also covers marking and packaging.
The document sits in the field of explosion-protected electrical apparatus, with Chinese classification K35 and international classification 29.260.20. It quotes quoted standards that include GB/T 2423.4-2008, GB 3836.1-2010, GB 3836.2-2010, GB 3836.3-2010, GB 4208-2008, GB/T 13384-2008 and GB 14048.1-2012.
It supersedes JB/T 6749-1993 and was issued by the Ministry of Industry and Information Technology.
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Document preview — JB/T 6749-2013
National Standard of the People's Republic of China
- ICS
- 29.260.20
- Replacing
- JB/T 6749-1993
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 6749-2013 was issued by MIIT on 31 December 2013 and has been in force since 1 July 2014.
It replaces the earlier edition JB/T 6749-1993.
2 Scope
JB/T 6749-2013 belongs to the recommended machinery industry series and deals with lighting and power distribution boxes for use in explosive gas atmospheres. For these boxes, called distribution boxes throughout the text, it establishes the product classification, the basic parameters, the technical requirements, the test methods and the inspection rules, and it also covers marking and packaging. The document sits in the field of explosion-protected electrical apparatus, with Chinese classification K35 and international classification 29.260.20. It quotes quoted standards that include GB/T 2423.4-2008, GB 3836.1-2010, GB 3836.2-2010, GB 3836.3-2010, GB 4208-2008, GB/T 13384-2008 and GB 14048.1-2012. It supersedes JB/T 6749-1993 and was issued by the Ministry of Industry and Information Technology.
3 Normative references
JB/T 6749-2013 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 2423.4-2008 — Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
GB 3836.1-2010
GB 3836.2-2010
GB 3836.3-2010
GB 4208-2008
GB/T 13384-2008 — General specifications for packing of mechanical and electrical product
GB 14048.1-2012
GB 14048.2-2008
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other editions:
JB/T 6749-1993 (earlier edition)
6 Classification and status
International classification (ICS): 29.260.20
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 2423.4-2008Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
- GB/T 13384-2008General specifications for packing of mechanical and electrical product
GB 3836.1-2010 · GB 3836.2-2010 · GB 3836.3-2010 · GB 4208-2008 · GB 14048.1-2012 · GB 14048.2-2008
Similar standards
Editions of JB/T 6749
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 6749-2013 | Electrical apparatus for explosive gas atmospheres - Explosion-proof lighting (power) distribution box | current edition | Current |
| JB/T 6749-1993 | Electrical apparatus for explosive gas atmospheres - Explosion-proof lighting (power) distribution box | previous edition | Superseded |
This page sells the current edition, JB/T 6749-2013. Earlier editions are listed for reference only.
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Related Standards
GB/T 13384-2008 — General specifications for packing of mechanical and electrical product
GB/T 2423.4-2008 — Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
JB/T 10062-2026 — Probes used in ultrasonic flaw detection - Testing methods for performance
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JB/T 6749-2013
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