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Flameproof enclosures are used primarily to house arcing and sparking contacts such as in switches, circuit breakers, and motor controllers.
Flameproof equipment is often use in combination with increased safety protection. The illustration here shows an example of equipment protected by this combination of techniques.
This protection technique shall be permitted for equipment in Class I, Zone 1 or Zone 2 locations.
© Hughes Associates,Inc. 2012