NEMA 4X
Intended for indoor
or outdoor use primarily
to provide a degree of
protection against corrosion,
windblown dust and rain,
splashing water, and hose
directed water; undamaged
by ice which forms on the
enclosure.
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NEMA 6
Intended for indoor
or outdoors which
occasional temporary
submersion is encountered.
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NEMA 6P
Intended for indoor
or outdoors which
occasional prolonged
submersion is encountered.
Corrosion protection.
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NEMA 12
Intended for indoor
use to provide a degree
of protection against dust,
falling dirt, and dripping
noncorrosive liquids.
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NEMA 13
Intended for indoor
use primarily to provide
a degree of protection dust,
spraying of water, oil, and
noncorrosive coolant.
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