Why nfpa 70e

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The employer is responsible for providing safety-related work procedures, training employees in the practices, supervising the employees, auditing, and documenting. The employees are responsible for applying the work procedures in accordance with their training and their demonstrated ability. NFPA 70E The procedures should be appropriate for the workplace conditions and training.

The assessment must be updated if a major modification or renovation takes place, and it must be reviewed periodically, at intervals not to exceed 5 years. In the case of the arc flash, the boundary is based on the inverse square of the distance to the hazard.

If a task is not in the tables—or the working distance is closer than those used in the tables or the clearing time of the arcing current—then the arc flash study should be used instead. Contact Us Contact of our team members at arcflash uscompliance. OK Opt-Out Learn more. Cookie and Privacy Settings. How we use cookies. A qualified person who works closer than 48 inches to live parts must wear personal protective clothing PPE including flame-resistant FR clothing.

This PPE is for arc-flash and arch-blast protection, not protection against electric shock. NFPA 70E has several tables that help electrical workers select the correct type of PPE to wear, based upon the task they are performing live.

There are five different HRCs: 0, 1, 2, 3 and 4. Use Appropriate PPE. Workers must wear PPE specified by the tables in NFPA 70E whenever they are within the Flash Protection Boundary 48 inches for volt equipment , whether or not they are actually touching the live equipment. The NFPA 70E standard is a critical tool for protecting electrical workers form shock, arc-flash, and arc-blast hazards while doing electrical construction and maintenance work.

For more complete information see the following, which can be ordered from www. It can be purchased from www. Don't worry, we'll come to you. By Brooke Stauffer. Have a written plan for performing the live work safely. Turn Off the Power NFPA 70E describes three methods of turning off electrical power and verifying that it stays off while work is being performed. The following are the three methods: 1. Individual qualified employee control 2. Determine Shock Hazard Boundaries. For More Information The NFPA 70E standard is a critical tool for protecting electrical workers form shock, arc-flash, and arc-blast hazards while doing electrical construction and maintenance work.

About the Author. Brooke Stauffer was executive director of standards and safety at the National Electrical Contractors Association. In August , Brooke went missing and was Sign up and Get Connected. A preview of our May Safety Leader. Related Stories. Safety Leader. Next Up. Joe O'Connor. Ladders, like wire cutters and electrical tape, are important to the electrical contractor; however, their use tends to carry with it many hazards.