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.
The National Electrical Manufacturers Association (NEMA) represents nearly 350 electrical equipment and medical imaging manufacturers at the forefront of electrical safety, reliability, and resilience, as well as efficiency and energy security. 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.