| TYPE 1 enclosures are intended for indoor use primarily to provide a degree of protection against contact with the enclosed equipment. | - Rust entry
- Rust resistance
|
| TYPE 2 enclosures are intended for indoor use primarily to provide a degree of protection against limited amounts of falling water and dirt. | - Rod entry
- Drip
- Rust resistance
|
| TYPE 3 enclosures are intended for outdoor use primarily to provide a degree of protection against windblown dust, rain, and sleet; and to be undamaged by the formation of ice on the enclosure. | - Rain
- Dust
- External icing
- Rust resistance
|
| TYPE 3R enclosures are intended for outdoor use primarily to provide a degree of protection against falling rain; and to be undamaged by the formation of ice on the enclosure. | - Rod entry
- Rain
- External icing
- Rust resistance
|
| TYPE 3S enclosures are intended for outdoor use primarily to provide a degree of protection against windblown dust, rain, and sleet, and to provide for operation of external mechanisms when ice laden. | - Rain
- Dust
- External icing
- Rust resistance
|
| TYPE 4 enclosures are intended for indoor or outdoor use primarily to provide a degree of protection against windblown dust and rain, splashing water, and hose directed water. | - Hosedown
- External icing
- Rust resistance
|
| TYPE 4X enclosures are intended for indoor or outdoor use primarily to provide a degree of protection against corrosion, windblown dust and rain, splashing water, and hose -directed water. | - Hosedown
- External icing
- Corrosion resistance
|
| TYPE 6 enclosures are intended for indoor or outdoor use primarily to provide a degree of protection against the entry of water during temporary submersion at a limited depth. | - External icing
- Rust resistance
- Submersion
|
| TYPE 6P enclosures are intended for indoor or outdoor use primarily to provide a degree of protection against the entry of water during prolonged submersion at a limited depth. | - Air pressure
- External icing
- Corrosion resistance
|
| TYPE 12 enclosures are intended for indoor use primarily to provide a degree of protection against dust, falling dirt, and dripping non-corrosive liquids. | |
| TYPE 13 enclosures are intended for indoor use primarily to provide a degree of protection against dust, spraying water, oil, and non-corrosive coolant. | - Oil exclusion
- Rust resistance
|
