Type 3 Enclosure
Enclosures that are intended for outdoor use primarily to provide a degree of protection against windblown dust, rain, sleet and external ice formation.
Type 3R Enclosure
Enclosures that are intended for outdoor use primarily to provide a degree of protection against falling rain and external ice formation.
Type 3S Enclosure
Enclosures that are intended for outdoor use primarily to provide a degree of protection against rain, sleet, windblown dust, and to providefor operation of external mechanisms when ice laden.
Type 4 Enclosure
Enclosures that are intended for indoor or outdoor use primarily to provide a degree of protection against windblown dust and rain, splashing water, hose-directed water and external ice formation.
Type 4X Enclosure
Enclosures that are intended for indoor or outdoor use primarily to provide a degree of protection against corrosion, windblown dust and rain, splashing water, hose-directed water and external ice formation.
Type 7 Enclosure
Enclosures that are for use indoors in locations classified as Class I, Groups A, B, C or D, as defined in the National Electrical Code®.
Type 9 Enclosure
Enclosures that are for use in indoor locations classified as Class II, Groups E, F or G, as defined in the National Electrical Code®.
Type 12 Enclosure
Enclosures that are intended for indoor use primarily to provide degree of protection against dust, falling dirt and dripping noncorrosive liquids.
(Cannot be used to convert IEC Classification Designations to NEMA Type Numbers)
