NEMA Cabinet Ratings

NEMA TYPE 1: Indoor use primarily to provide a degree of protection against contact with the enclosed equipment. Products with this rating should only be used in areas where unusual service conditions do not exist.

NEMA TYPE 3: Outdoor use primarily to provide a degree of protection against rain, sleet, wind-blown dust and damage from external ice formation.

NEMA TYPE 3R: Outdoor use primarily to provide a degree of protection against falling rain, sleet and damage from external ice formation.

NEMA TYPE 4: Indoor and outdoor use primarily to provide a degree of protection against wind-blown dust and rain, splashing water, hose directed water, and damage from external ice formation.

NEMA TYPE 4X: Indoor and outdoor use primarily to provide a degree of protection against corrosion, wind-blown dust and rain, splashing water, hose directed water, and damage from external ice formation.

NEMA TYPE 12: Indoor use primarily to provide a degree of protection against circulating dust, falling dirt and dripping noncorrosive liquids.

NEMA TYPE 13: Indoor use primarily to provide a degree of protection against dust, spraying of water, oil, and noncorrosive coolant.