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Every Instrumentation Engineer Should Know This

Difference Between Explosion Proof( Exd) and Increased Safety (Exe)

Difference between Explosion Proof (Exd) and Increased Safety (Exe): Exe enclosures are deemed ‘explosion protected’ but not necessarily ‘flame proof’ Exd enclosures are ‘flame proof’ which means they should contain an explosion Explosion protected means that an Exe enclosure can withstand a certain level of impact and should never generate sparks or current that might ignite an explosive atmosphere. On the other hand, flame proof means that if an explosion occurs inside an Exd enclosure, the flame should either be fully contained or released via a safe ‘flame path’.

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