ROSSLYN, Va.—The National Electrical Manufacturers Association (NEMA) published NEMA ABP 7-2015 Engineering Series Ratings: Is It Practical? This white paper explains why it is important to understand how series ratings are determined.
An update of a white paper published in 2005, NEMA ABP 7-2015 was developed by the LVDE White Paper Task Force. It discusses 2005 National Electrical Code® changes regarding series ratings for circuit breakers.
NEMA ABP 7-2015 may be downloaded free of charge on the NEMA website.
Electrical Manufacturers Association (NEMA) represents nearly 350 electrical
equipment and medical imaging manufacturers that make safe, reliable, and efficient products
and systems. Our combined industries
account for 360,000 American jobs in more than 7,000 facilities covering every
state. Our industry produces $106 billion shipments of electrical equipment and
medical imaging technologies per year with $36 billion exports.