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FM Approvals 7320:2022
M00000020
New product
FM Approvals 7320:2022 Electric Heaters for Use in Class I, II and III, Division 1, and Catalytic Heaters for Use in Class I, Division 1 and 2, Group D, Hazardous (Classified) Locations
standard by FM Approvals, 01/01/2022
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This standard sets performance requirements for permanently installed electric heaters, electric air heaters, immersion (paint, fluids, etc.) heaters, heating elements and catalytic heaters rated 600 volts or less. This standard does not apply to electric trace heating.