Type 3: An enclosure which is intended for outdoor use PRIMARILY to PROVIDE a degree of protection against windblown dust, rain, sleet and damage from EXTERNAL ice formation.

Type 3R: An enclosure which is intended for outdoor use primarily to provide a degree of protection against falling rain and damage from external ice formation.

Type 3S: An enclosure which is intended for outdoor use primarily to provide a degree of protection against rain, sleet, windblown dust, and to provide for operation of external mechanisms when ice laden.

Type 4: An enclosure which is intended for indoor or outdoor use primarily to provide a degree of protection against windblown rain and dust, splashing water, hose directed water and damage from external ice formation.

Type 4X: An enclosure which is intended for indoor or outdoor use primarily to provide a degree of protection against corrosion, windblown rain and dust, splashing water, hose directed water and damage from external ice formation.

Type 6: An enclosure which is intended for indoor or outdoor use primarily to provide a degree of protection against falling dirt, hose directed water, the entry of water during occasional temporary submersion at a SPECIFIED depth and damage from external ice formation.

Type 6P: An enclosure which is intended for indoor or outdoor use to primarily to provide a degree of protection against falling dirt, hose directed water and the entry of water during prolonged submersion at a specified depth and damage from external ice formation.

Type 3: An enclosure which is intended for outdoor use primarily to provide a degree of protection against windblown dust, rain, sleet and damage from external ice formation.

Type 3R: An enclosure which is intended for outdoor use primarily to provide a degree of protection against falling rain and damage from external ice formation.

Type 3S: An enclosure which is intended for outdoor use primarily to provide a degree of protection against rain, sleet, windblown dust, and to provide for operation of external mechanisms when ice laden.

Type 4: An enclosure which is intended for indoor or outdoor use primarily to provide a degree of protection against windblown rain and dust, splashing water, hose directed water and damage from external ice formation.

Type 4X: An enclosure which is intended for indoor or outdoor use primarily to provide a degree of protection against corrosion, windblown rain and dust, splashing water, hose directed water and damage from external ice formation.

Type 6: An enclosure which is intended for indoor or outdoor use primarily to provide a degree of protection against falling dirt, hose directed water, the entry of water during occasional temporary submersion at a specified depth and damage from external ice formation.

Type 6P: An enclosure which is intended for indoor or outdoor use to primarily to provide a degree of protection against falling dirt, hose directed water and the entry of water during prolonged submersion at a specified depth and damage from external ice formation.