The National Electrical Manufacturers Association (NEMA) published a white paper, NEMA ABP 4-2013 Taking the Guesswork Out of Selecting and
Maintaining Molded Case Circuit Breakers.
NEMA ABP 4 provides information to assist with answering various questions related to the application and maintenance of circuit breakers. Updates include new references and links to other useful industry documents.
This publication was developed for users of electrical equipment in industrial and commercial applications. Use of this white paper can help reduce arc flash hazards, down-time due to systems failures, and other operations mishaps.
NEMA ABP 4-2013 may be downloaded at no cost.
National Electrical Manufacturers Association (NEMA) represents nearly
400 electrical, medical imaging, and radiation therapy manufacturers at
the forefront of electrical safety, reliability, resilience, efficiency,
and energy security. Our combined industries account for more than
400,000 American jobs and more than 7,000 facilities across the U.S.
Domestic production exceeds $117 billion per year.