Arc-Flash Study

A practical approach to undertaking an arc-flash study at an industrial metals facility is described. This article is based on the experience of the authors in undertaking an arc-flash study and the process of rolling out an overall system approach to arc flash at an industrial site. The arc-flash study procedure is primarily based on current arc-flash standards, such as National Fire Protection Association (NFPA) 70E, Canadian Standards Association (CSA) Z462, and IEEE Standard 1584; however, insight is provided in areas that require practical consideration during the process that may not be intuitively obvious before participating in this process. This article is a discussion of the shared experiences from the concept stage to arc-flash system completion.