Definition of Explosion proof:
Electrical apparatus (such as compressors, motors, and switches) designed to contain explosions or flames produced within them (due to arcs, sparks, or flashes) without igniting the surrounding (external) flammable gases or vapors. This term may also include non-sparking tools.
Capable of withstanding or resisting the destructive effect of an explosion; designed to prevent an explosion from occurring during use.
Meaning of Explosion proof & Explosion proof Definition