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.
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.