Definitions of Courier and Regular Mail: Courier: Courier is a type of faster postal service. Regular Mail: Regular mail is the normal postal service that takes more time. Pickup Service: Courier: Courier services offer pick up facilities where they come and take the package that you want to mail from your home. Regular Mail: Regular mail does not offer pick up services. Cost:
Page Content. The National Electrical Manufacturers Association (NEMA) is the association of electrical equipment and medical imaging manufacturers, founded in 1926 and headquartered in Rosslyn, Virginia.
Non-hazardous location NEMA enclosure types. Type 1: General purpose, indoor use. Provides a degree of protection against human contact with electrically-charged, live parts and against ingress of solid foreign objects such as falling dirt. Type 2: Drip-proof, indoor use.