JB/T 6749-1993
Explosion-proof lighting switch boxes (English Version)
- Standard No.
- JB/T 6749-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Machinery
- Status
- 2014-07
- Replace By
- JB/T 6749-2013
- Latest
- JB/T 6749-2013
- Scope
- This standard specifies the product classification, basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of factory explosion-proof lighting distribution boxes. This standard applies to the design, manufacturing and inspection of distribution boxes. Distribution boxes are used for power distribution or switching of lighting circuits in factory lighting circuits where the surrounding environment contains explosive gases and corrosive media.
JB/T 6749-1993 history
- 2013 JB/T 6749-2013 Electrical apparatus for explosive gas atmospheres .Explosion-proof lighting (power) distribution box
- 1993 JB/T 6749-1993 Explosion-proof lighting switch boxes
