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NEMA Enclosures

NEMA Enclosures For Non-Hazardous Locations

Type 1 - General-Purpose

Indoor

Primarily to provide a degree of protection against contact with the enclosed equipment.

Type 2: Drip-proof

Indoor

Primarily to provide a degree of protection against limited amounts of falling water and dirt.

Type 3: Dust-Tight, Rain-Tight and Sleet (Ice) Resistant

Outdoor

Primarily to provide a degree of protection against windblown dust, rain, sleet and external ice formation.

Type 3R: Rainproof and Sleet (Ice) Resistant

Outdoor

Primarily to provide a degree of protection against falling rain, sleet and external ice formation.

Type 3S: Dust-Tight, Rain-Tight and Sleet (Ice) Proof

Outdoor

Primarily to provide a degree of protection against windblown dust, rain, and sleet, and to provide for operation of external mechanisms when ice laden.

Type 4: Watertight and Dust Tight

Indoor and Outdoor

Primarily to provide a degree of protection against windblown dust and rain, splashing water, and hose-directed water.

Type 4X: Watertight, Dust-Tight and Corrosion Resistant

Indoor and Outdoor

Primarily to provide a degree of protection against corrosion, windblown dust and rain, splashing water, and hose-directed water.

Type 6: Submersible, Watertight, Dust-Tight and Sleet (Ice) Resistant

Indoor and Outdoor

Primarily to provide a degree of protection against the entry of water during occasional temporary submersion at a limited depth.

Type 6P: Submersible, Watertight, Dust-Tight and Sleet (Ice) Resistant

Indoor and Outdoor

Primarily to provide a degree of protection against the entry of water during occasional prolong submersion at a limited depth.

Type 11: Corrosion-Resistant and Drip-proof, Oil-Immersed

Indoor

Primarily to provide, by oil immersion, a degree of protection to enclosed equipment against the corrosive effects of liquids and gases.

Type 12: Dust-Tight and Drip-Tight

Indoor

Industrial Use Primarily to provide a degree of protection against dust, falling dirt and dripping non corrosive liquids.

Type 12K: Dust-Tight and Drip-Tight

Indoor

Industrial Use With knockouts Primarily to provide a degree of protection against dust, falling dirt and dripping non-corrosive liquids other than at knockouts.

Type 13: Oil-Tight and Dust-Tight

Indoor

Primarily to provide a degree of protection against dust, spraying of water, oil and non-corrosive coolant.