| Nema rating | IP rating | NEMA Definition | IP Against Objects | IP Against Liqu |
| 1 |
IP10 |
Enclosures constructed for indoor use; to provide a degree of protection to personnel against incidental contact with the enclosed equipment and to provide a degree of protection against falling dirt |
1 = Protected against solid foreign objects of 5 cm (2 in) in diameter and greater |
0 = Not protected |
| 2 |
IP11 |
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 |
1 = Protected against solid foreign objects of 5 cm (2 in) in diameter and greater |
1 = Protected against vertically falling water drops |
| 3 |
IP54 |
Enclosures constructed for 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 and windblown dust; and that will be undamaged by external formation of ice on the enclosure |
5 = Protected against dust; limited to ingress (no harmful deposit) |
4 = Protected against water sprayed from all directions; limited to ingress permitted |
| 3R |
IP14 |
Enclosures constructed for 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 and snow; and that will be undamaged by external formation of ice on the enclosure |
1 = Protected against solid foreign objects of 5 cm (2 in) in diameter and greater |
4 = Protected against water sprayed from all directions; limited to ingress permitted |
| 3S |
IP54 |
Enclosures constructed for 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 and windblown dust; and in which the external mechanism(s) remain operable when ice laden |
5 = Protected against dust; limited to ingress (no harmful deposit) |
4 = Protected against water sprayed from all directions; limited to ingress permitted |
| 4 |
IP56 |
Enclosures constructed for 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 and hose-directed water; and that will be undamaged by external formation of ice on the enclosure |
5 = Protected against dust; limited to ingress (no harmful deposit) |
6 = Protected against strong jets of water from all directions; limited to ingree permitted |
| 4x |
IP56 |
Enclosures constructed for 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 and hose-directed water, and corrosion; and that will be undamaged by external formation of ice on the enclosure |
5 = Protected against dust; limited to ingress (no harmful deposit) |
6 = Protected against strong jets of water from all directions; limited to ingree permitted |
| 5 |
IP52 |
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 settling airborne dust, lint, fibers and flyings: and to provide a degree of protection against dripping and light splashing of liquids |
5 = Protected against dust; limited to ingress (no harmful deposit) |
2 = Protected against direct sprays of water up to 15° from the vertical |
| 6 |
IP67 |
Enclosures constructed for 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; against hose-directed water and the entry of water during occasional temporary submersion at a limited depth; and that will be undamaged by external formation of ice on the enclosure |
6 = Totally protected against entry of dust |
7 = Protected against effects of submersion from 15 cm (6 in) to 1 m (3 ft) |
| 6P |
IP68 |
Enclosures constructed for 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; against hose-directed water and the entry of water during occasional prolonged submersion at a limited depth; and that will be undamaged by external formation of ice on the enclosure |
6 = Totally protected against entry of dust |
8 = Protected against the effects of occasional submersion in water, up to 10 m (33 ft) |
| 12 |
IP52 |
Enclosures constructed with knockout(s) 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, fibers and flyings: and to provide a degree of protection to against dripping and light splashing of liquids |
5 = Protected against dust; limited to ingress (no harmful deposit) |
2 = Protected against direct sprays of water up to 15° from the vertical |
| 12K |
IP52 |
Enclosures constructed with knockout(s) 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, fibers and flyings: and to provide a degree of protection to against dripping and light splashing of liquids |
5 = Protected against dust; limited to ingress (no harmful deposit) |
2 = Protected against direct sprays of water up to 15° from the vertical |
| 13 |
IP54 |
IP54 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, fibers and flyings: and against the spraying, splashing and seepage of water, oil and non-corrosive coolants. |
5 = Protected against dust; limited to ingress (no harmful deposit) |
4 = Protected against water sprayed from all directions; limited to ingress permitted |