This code is suitable for the electrical design of new, extension and renovation engineering projects which emerge or likely emerge explosive and fire hazardous atmospheres in the procedure of production, processing, treatment, transferring or storing.
This code is not suitable for the following atmospheres:
1. Under mine shaft;
2. In the atmosphere where gunpowder, explosives and primer are manufactured, applied and stored;
3. In electrical installation area of electrolysis, electroplating, etc. where electric energy is used for production and is directly related to the production technological process;
4. In storage battery room;
5. In the atmosphere where strong oxidant as well as material self - ignitable without ignition from external fire source;
6. In communication and transport vehicles on land, water and in air, and off - shore platform for oil well.
