You may need to comply with this code if you intend to classify protection provided by enclosures for electrical equipment.
This code specifies an alphanumeric code for classifying the degrees of protection provided by enclosures for electrical equipment rated up to 72.5 kV. It covers protection of persons against access to hazardous parts and of equipment against ingress of solid foreign objects, dust, and harmful quantities of water. Requirements for tests, access probes and object probes and other test equipment are specified.
