NEMA Ratings and IP Equivalency Chart

NEMA RatingIP EquivalentNEMA DefinitionProtection Against Solids Protection Against Liquids
1IP10Enclosures 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 dirt1 = Protected against solid foreign objects of 50mm in diameter and greater0 = Not Protected
2IP11Enclosures constructed for indoor used 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 liquids1 = Protected against solid foreign objects of 50mm in diameter and greater1 = Protected against vertically falling water drops
3IP54Enclosures constructed for either indoor or outdoor used to provide a degree of protection to personnel against incidental contact with the enclosed equipment; to proved a degree of protection against falling dirt, rain, sleet, snow, and windblown dust; and that will undamaged by external formation of ice on the enclosure5 = Protected against dust - Limited to ingress (no harmful deposit)4 = Protected against water sprayed from all directions - Limited to ingress permitted.
3RIP14Enclosures constructed for either indoor or outdoor used 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 enclosure1 = Protected against solid foreign objects of 50mm in diameter and greater4 = Protected against water sprayed from all directions - Limited to ingress permitted.
3SIP54Enclosures 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, 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.
4IP66Enclosures 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, and hose-directed water; and that will be undamaged by the external formation of ice on the enclosure6 = Totally protected against dust6 = Protected against strong jets of water from all directions - Limited to ingress permitted.
4XIP66Enclosures 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 thee external formation of ice on the enclosure6 = Totally protected against dust6 = Protected against strong jets of water from all directions - Limited ingress permitted.
5IP52Enclosures 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 ingress (no harmful deposit)2 = Protected against direct sprays of water up to 15° from the vertical.
6IP67Enclosures 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; against hose-directed water and the entry of water during occasional temporary submersion at a limited depth; and that will be undamaged by the external formation of ice on the enclosure.6 = Totally protected against dust7 = Protected against the effects of temporary immersion between 15cm and 1m. Duration of test 30 minutes.
6PIP67Enclosures constructed for either indoor or outdoor use to provide a degree of protection to the 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 prolonged submersion at a limited depth; and that will be undamaged by the external formation of ice on the enclosure6 = Totally protected against dust7 = Protected against the effects of temporary immersion between 15cm and 1m. Duration of test 30 minutes.
12 and 12KIP52Enclosures 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, fibers, and flying; and against dripping and light splashing of liquids5 = Protected against dust - Limited to ingress (no harmful deposit)2 = Protected against direct sprays of water up to 15° from the vertical.
13IP54Enclosures 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 noncorrosive coolants. 5 = Protected against dust - Limited to ingress (no harmful deposit)4 = Protected against water sprayed from all directions - Limited to ingress permitted.