Explosion proof electrical equipment designed and manufactured for installation in hazardous areas with potentially explosive atmosphere are usually very safe.

Maximum surface temperature of explosion-proof (Ex) equipment can be one of the sufficient causes of explosion if surface temperature is more than the ignition

On and offshore drilling of gas or oil is a high risk sector with respect to fire and explosion hazards.

Chinese Ex standardsTitleCorresponds to IEC Ex standardsGB3836.1-2000Electrical apparatus for explosive gas atmospheres

According to the international standard, main problems lying in the process of hazardous zone classification were emphatically analyzed.