{crossposting}
| NEMA Rating  | 
IP  Equivalent  | 
NEMA  Description  | 
IP  Description  | 
|---|---|---|---|
| 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 50mm in diameter and greater  0 = Not Protected  | 
| 2 | IP11 | Enclosures 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 liquids  | 
1 = Protected against solid foreign objects of 50mm in diameter and greater 1 = Protected against vertically falling water drops  | 
| 3 | IP54 | Enclosures 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 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 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 enclosure  | 
1 = Protected against vertically falling water drops 4 = Protected against water sprayed from all directions - Limited to ingress permitted.  | 
| 3S | IP54 | 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, 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 | IP66 | 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, and hose-directed water; and that will be undamaged by the external formation of ice on the enclosure  | 
6 = Totally protected against dust 6 = Protected against strong jets of water from all directions - Limited to ingress permitted.  | 
| 4X | IP66 | 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 thee external formation of ice on the enclosure  | 
6 = Totally protected against dust  6 = Protected against strong jets of water from all directions - Limited to ingress 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 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 dust 7 = Protected against the effects of temporary immersion between 15cm and 1m. Duration of test 30 minutes.  | 
| 6P | IP67 | Enclosures 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 enclosure  | 
6 = Totally protected against dust 7 = Protected against the effects of temporary immersion between 15cm and 1m. Duration of test 30 minutes.  | 
| 12 and 12K | IP52 | 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, fibers, and flying; and 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 | 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 noncorrosive coolants.  | 
5 = Protected against dust - Limited to ingress (no harmful deposit) 4 = Protected against water sprayed from all directions - Limited to ingress permitted.  | 
| Header 1 | Header 2 | Header 3 | 
|---|---|---|
| Row 1, Cell 1 | Row 1, Cell 2 | Row 1, Cell 3 | 
| Row 2, Cell 1 | Row 2, Cell 2 | Row 2, Cell 3 | 
| Row 3, Cell 1 | Row 3, Cell 2 | Row 3, Cell 3 | 
| Row 4, Cell 1 | Row 4, Cell 2 | Row 4, Cell 3 | 

