A typical NEMA enclosure might be rated to provide protection against environmental hazards such as water, dust, oil or coolant or atmospheres containing corrosive agents such as acetylene or gasoline. A full list of NEMA enclosure types is available from the NEMA website.
Hereof, what is NEMA 4?
NEMA 3S enclosures are intended for outdoor use primarily to provide a degree of protection against windblown dust, rain, sleet, and to provide for operation of external mechanisms when ice laden. NEMA 4 enclosures are used in many applications where an occasional washdown occurs or where machine tool cutter coolant.
What does the NEMA stand for?
National Electrical Manufacturer Association
What does non NEMA mean?
What does NEMA mean? The National Electrical Manufacturers Association (NEMA) devised a rating system for enclosures, connectors and other equipment that is exposed to liquids, rain, ice, corrosion and contaminates such as dust.