Intelligent Power Today Magazine

IEEE Method Vs. the NFPA 70E Tables: Evaluating arc flash analysis methods

BY REZA TAJALI, Schneider Electric

Recent changes in workplace safety regulations have heightened the awareness of hazards associated with electrical arcs. The hazard level must be quantified and workers properly protected before entering proximity of exposed energized conductors. National Fire Protection Association’s (NFPA) standard 70E: “Standard for Electrical Safety in the Workplace” provides the guidelines for work involving electrical hazards and the selection of arc flash protective equipment.

In order to select the protective gear properly, one must have knowledge of the potential thermal energy of the electric...

Flash Hazard Analysis

The Arc-Flash-Analytic software and universal web app have been developed as easy to use yet comprehensive tools for arc flash analysis required when work is to be performed on or near the energized equipment. The web app can be accessed, operated and shared from anywhere, anytime, on any platform connected to the Internet. Forget about software installation, system compatibility, data loss or virus threat issues. Work alone or share your access credentials with your team while working on same or multiple projects at a time.

• Design safer power systems while insuring compliance with NEC 110.16, OSHA, NFPA...