What is Arc Flash ?

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Arc Flash is the result of a rapid release of energy due to an arcing fault between a phase bus bar and another phase bus bar, neutral or a ground and here air is the conductor. Arc faults are generally limited to systems where the bus voltage is in excess of 120 volts.

Lower voltage levels normally will not sustain an arc. An arc fault is similar to the arc obtained during electric welding and the fault has to be manually started by something creating the path of conduction or a failure such as a breakdown in insulation. Are your employees and equipment at risk? Following is an abbreviated checklist for arc flash safety. The checklist is based on information found in the IEEE “Guide for Maintenance, Operation, and Safety of Industrial and Commercial Power Systems (Yellow Book). If you answer “no” or “Don’t know” to any of these questions, you should review your arc flash safety program immediately. You may be non-compliant with industry safety standards and at risk for an arc flash incident.

Arc Flash Check List



Submit Your Question

 
1. Does your preventive maintenance program specially address arc flash hazards?

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2. Do you have appropriate safety procedures in place to minimize dangers?

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3. Do you have an established process for updating arcflash hazard program as new information becomes available?

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4. Have you created a process to review and update and review the flash hazards analysis?

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5. Have all personnel working on or near energized equipment undergone specific training in the hazard of working on energized equipment, and the use and proper application of PPE?

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6. Has the qualified persons in the work place been identified?

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7. Is the authorization of live work done at level of responsible management?

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8. Are all single-line diagrams up-to-date reflecting any modification or expansions to your electrical distribution system or any changes in the electric utility system?

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9. Has a process for reviewing of the permitting process been developed and implemented?

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10. Hazard category for the equipment and work performed been determined?

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11. Appropriate PPE for all identified hazards categories been selected and purchased?

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