The LiteSpeed™ HZ is one of only two doors in the industry that is UL listed for hazardous rated environments. The LiteSpeed HZ has a Class II, Division 2 listing from UL, carrying a Group Code G and Temperature Code 6. The listing means it can safely operate in facilities where combustible dusts (such as flour, grain, wood, plastic or chemicals) are not normally in the air, but can be present. All electrical components are enclosed in a UL Type 4X (NEMA) or DustTight enclosure.

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