MT 221-2005
Explosion proof lamp for coal mine (English Version)
- Standard No.
- MT 221-2005
- Language
- Chinese, Available in English version
- Release Date
- 2005
- Published By
- Professional Standard - Coal
- Latest
- MT 221-2005
- Replace
- MT 221-1991
- Scope
- This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of explosion-proof lamps for coal mines (hereinafter referred to as lamps). This standard is applicable to lamps used for lighting on underground coal mine working surfaces, tunnels, chambers and mobile equipment with the risk of methane or coal dust explosion. It is not applicable to mining safety helmet lamps.
MT 221-2005 history
- 2005 MT 221-2005 Explosion proof lamp for coal mine
- 1991 MT 221-1991 Explosion-proof lamps for coal mines
