Sorting out the changes in NFPA 70E-2012

摘要

The National Fire Protection Association (NFPA) revises NFPA 70E: Standards for Electrical Safety in the Workplace every three years. The latest version, the 2012 edition, was released in September 2011. Here, a group of experts explain how the current version of NFPA 70E affects how engineers specify and design electrical systems.