| Enclosure Rating |
ETL Listed
Conforms to ANSI/UL STD 50 |
| Nema
1 |
Indoor use
primarily to provide protection against contact with the
enclosed equipment and against a limited amount of falling
dirt. |
| Nema
3 |
Outdoor use to
provide a degree of protection against windblown dust and
windblown rain. |
| Nema
3R |
Outdoor use to
provide a degree of protection against falling rain. |
| Nema
4 |
Outdoor or indoor
use to provide a degree of protection against falling rain,
splashing water, and hose-directed water. |
| Nema
4x |
Outdoor or indoor
use to provide a degree of protection against falling rain,
splashing water, and hose-directed water. |
| Nema
12 |
Primarily inside
use to provide a degree of protection against dust, dirt,
fiber flyings, dripping water and external condensation of
non-corrosive liquids. |
