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Standard for Purged and Pressurized Enclosures for Electrical Equipment

This standard provides information on the methods for purging and pressurizing electrical equipment enclosures to prevent ignition of a flammable atmosphere, whether introduced into the enclosure by a surrounding external atmosphere or by an internal source.

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Happy Holidays! NFPA will be closed December 25 – January 1. We wish you all a safe & enjoyable holiday week and look forward to serving you in the new year.

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