It is not possible to state that an IP rating is equivalent to a
NEMA Type designation. An IP rating only considers protection against ingress of
solid foreign objects and ingress of water. The NEMA Types consider these but
also consider other items such as corrosions and construction details. For this
reason it is possible to say that a NEMA Type is equivalent to an IP rating but
it is not possible to state that an IP rating is equivalent to a NEMA Type.
There is no direct conversion between NEMA Types and IP Codes. More detailed
information can be obtained from the charts in this
See the exact text of OSHA's standard regarding Fall Arrest Systems.
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