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.
NEMA stands for National Electrical Manufacturer Association. Their website is at www.nema.org. NEMA ratings are standards that are useful in defining the types of environments in which an electrical enclosure can be used. The NEMA rating system is defined by the National Electrical Manufacturer Association, and frequently signifies a fixed enclosure's ability to withstand certain environmental conditions. Please refer to the table below for specific NEMA type designations.