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What do Intrinsically Safe and Explosion Proof mean?

Intrinsically safe (IS) equipment is low voltage, low amperage equipment designed not to produce sparks or any other source of ignition. It may be recognized by a label that identifies the areas in which it can be used.

Explosion proof (XP) equipment is used to prevent high voltage, high amperage equipment from producing a source of ignition. A heavy enclosure surrounds the spark producing components so that if vapors or gas leak in, and are ignited, the explosion is contained.


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