| Type 1 | Intended for indoor use primarily to provide a degree of protection against limited amounts of falling dirt. |
| Type 2 | Intended for indoor use primarily to provide a degree of protection against limited amounts of falling water and dirt. |
| Type 3 | Intended for outdoor use primarily to provide a degree of protection against rain, sleet, wind blown dust, and |
| Type 3R | Intended for outdoor use primarily to provide a degree of protection against rain, sleet, and damage from |
| Type 3S | Intended for use primarily to provide a degree of protection against rain, sleet, wind blown dust and to providefor operatoin of external mechanisms when ice laden. |
| Type 4 | Intended for indoor or 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. |
| Type 4X | Intended for indoor or outdoor use primarily to provide a degree of protection against corrosion, wind blown dustand rain, splashing water, hose-directed water and damage from external ice formation. |
| Type 5 | Intended for indoor use primarily to provide a degree of protection against settling airborne dust, falling dirt and |
| Type 6 | Intended for indoor or outdoor use primarily to provide a degree of protection against hose-directed water, theentry of water during occasional temporary submersion at a limited depth and damage from external ice formation. |
| Type 6P | Intended for indoor or outdoor use primarily to provide a degree of protection against hose-directed water, theentry of water during prolonged submersion at a limited depth and damage from external ice formation. |
| Type 12/12K | Intended for indoor use primarily to provide a degree of protection against circulating dust, falling dirt, and |
| Type 13 | Intended for indoor use primarily to provide a degree of protection against dust, spraying of water, oil, and non-corrosive coolants |
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