Available for download via NEMA's website, NEMA ABP 6-2015, What is the Purpose of a Molded Case Circuit Breaker?, discusses how molded case circuit breakers provide protection for conductors and under what conditions they provide that protection. This updated white paper was produced by NEMA Low Voltage Distribution Equipment White Paper Task Force, and revisions bring testing references and requirements up to date while also aligning with current terminology and industry practices.