| Type |
National Electrical Manufacturers’ Association |
Underwriters’ Laboratories Inc. |
Canadian Standards Association |
|---|---|---|---|
| 1 |
Enclosures constructed for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment to provide a degree of protection against falling dirt.
|
Indoor use primarily to provide a degree of protection against limited amount of falling dirt.
|
General purpose enclosure in ordinary locations.
|
| 2 |
Enclosures constructed for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment, to provide a degree of protection against falling dirt, and to provide a degree of protection against dripping and light splashing of liquids.
|
Indoor use primarily to provide a degree of protection against limited amounts of falling water and dirt.
|
An enclosure for Indoor use, constructed so as to provide a degree of protection against dripping and light splashing of non-corrosive liquids, and falling dirt.
|
| 3 |
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with enclosed equipment to provide a degree of protection against falling dirt, rain, sleet, snow and windblown dust and that will be undamaged by the external formation of ice on the enclosure.
|
Outdoor use primarily to provide a degree of protection against rain, sleet, windblown dust, and damage from external ice formation.
|
An enclosure for either indoor or outdoor use, constructed so as to provide a degree of protection against rain, snow, and windblown dust, undamaged by the external formation of ice on the enclosure.
|
| 3R |
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with enclosed equipment to provide a degree of protection against falling dirt, rain, sleet, snow and that will be undamaged by the external formation of ice on the enclosure.
|
Outdoor use primarily to provide a degree of protection against rain, sleet; and damage from external ice formation.
|
An enclosure for either indoor or outdoor use, constructed so as to provide a degree of protection against rain, and snow, undamaged by the external formation of ice on the enclosure.
|
| 4 |
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment: to provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust, splashing water, hose directed water, and hose-directed water, and that will be undamaged by the external formation of ice on the enclosure.
|
Indoor or outdoor use primarily to provide a degree of protection against windblown dust, and rain, splashing water, hose-directed water, and damage from external ice formation.
|
An enclosure for either indoor or outdoor use, constructed so as to provide a degree of protection against rain, snow, windblown dust, splashing and hose-directed water, undamaged by the external formation of ice on the enclosure.
|
| 4X |
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment, to provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust, splashing water, hose-directed water, and corrosion, and that will be undamaged by the external formation of ice on the enclosure.
|
Indoor or outdoor use primarily to provide a degree of protection against corrosion, windblown dust and rain, splashing water, hose-directed water, and damage from external ice formation.
|
An enclosure for either indoor or outdoor use, constructed so as to provide a degree of protection against rain, snow, windblown dust, splashing and hose-directed water, undamaged by the external formation of ice on the enclosure, resists corrosion.
|
| 12 |
Enclosures constructed (without knockouts) for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment, to provide a degree of protection against falling dirt, against circulating dust, lint and fiber flyings, and against dripping and light splashing of liquids.
|
Indoor use primarily to provide a degree of protection against circulating dust, falling dirt, and dripping non-corrosive liquids.
|
An enclosure for indoor use, constructed so as to provide a degree of protection against circulating and settling dust and lint, fibre flyings; dripping and light splashing of non-corrosive liquids; not provided with knockouts.
|
| 13 |
Enclosures constructed for indoor use to provide a degree of protection to personnel against incidental contact with the enclosed equipment, to provide a degree of protection against falling dirt, against circulating dust, lint and fiber flyings, and against the spraying, splashing , and seepage of water, oil, and non-corrosive coolants.
|
Indoor use primarily to provide a degree of protection against dust, spraying of water, oil, and non-corrosive coolant.
|
An enclosure for indoor use, constructed so as to provide a degree of protection against circulating and settling dust, lint and fibre flyings, seepage and spraying of non-corrosive liquids including oils and coolants.
|
Note: The specifications on this page are for comparative reference only and are not intended to provide the complete requirements or test qualifications published by various associations and agencies. Complete information may be obtained by contacting the appropriate organization as shown in the “Standards Sources” listing.
