What is the difference between a district mine explosion-proof emergency lamp and 2 District emergency lamp?
In addition to underground coal mines, other explosive gas mixture (including steam, mist) and other flammable and explosive places. 2 District emergency lamp, as long as the explosion-proof certificate to do not need coal card certification can use the emergency lamp.
1 area refers to the coal mine underground, there are flammable and explosive places such as methane. So mine explosion-proof emergency lamp 1 area may be required to use in underground coal card.
The difference is mainly from the use of explosion-proof emergency lamp environment, the use of places to distinguish.
One district mine explosion-proof emergency lamp and 2 zone explosion-proof emergency lamp standards. Voltage 127V and 220V; flameproof type is mine. Exdict6 explosion proof sign, explosion proof type 2 zone explosion proof emergency lamp, explosion proof sign exdiibt6;
