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FM Approvals 3620
- Purged and Pressurized Electrical Equipment for Hazardous (Classified) Locations
- standard by FM Approvals, 08/01/2000
- Publisher: FM Approvals
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This standard serves as the basis for FM Approval of electrical equipment for use in hazardous (classified) locations employing the type of protection defined as "purged and pressurized."
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