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June Technical meeting, Friday June 26th, 12:00pm,
Topic: An Overview of Arc Flash and Related Requirements
Speaker: Mr. David Bredhold, Senior Power and Controls Designer, C & I Engineering, Louisville, KY
Abstract: This year, a new version of NFPA 70E, the Standard for Electrical Safety in the Workplace, has been published. This standard was originally developed at OSHA’s request. The current version provides the latest information about the effects of arc flash, arc blast, and recent developments in electrical design. These topics are familiar to most design engineers in the electrical engineering community. We know that arc flash is caused by
arcing electricity. We also know that electricians must be aware of arc flash hazards. However, some contracts are now requiring arc flash studies to be conducted by the contractor prior to installing custom industrial panels in the field. Designers of industrial control panels need to be aware of the basics of arc flash. This seminar will provide an overview of the following:
o What is arc flash?
o What damage is caused by arc flash?
o How are arc flash hazard categories determined?
o How can damage due to arc flash be minimized?
o What is needed for an arc flash study?