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Arc flash boundary4/19/2023 Section 130.3 requires that employees be protected when working while exposed to electrical hazards. What does 130.2 require? It requires that an electrical equipment be placed in an electrically safe work condition whenever the exposed voltage will be above 50 volts or when someone is interacting with equipment that increases the likelihood of an arc-flash unless the exposure is justified. There will be exposed electrical hazards when the enclosure is opened. Another worker is painting the ceiling 10 feet away. Another worker is standing 2 feet away ready to establish an electrically safe work condition after the thermography scan is completed. Another employee who will do a thermography scan and a maintenance worker assigned to vacuum out the equipment are standing 4 feet away. An employee is removing the bolts to open the enclosure although the equipment is not yet placed into an electrical safe work condition. An equipment label indicates that the restricted approach boundary is 2 feet, 2 inches, the limited approach boundary is 5 feet and the arc-flash boundary is 14 feet. What doesn't change, regardless of what the assigned task is considered, is whether or not the employee is exposed to an electrical hazard.Ĭonsider the exposure to electrical hazards without classifying a set of tasks as electrical or non-electrical. However, the electrical hazard is really the issue. When it comes to electrical safety the task being performed does play a role in the steps to be taken in protecting the employee. Working on electrical equipment or performing non-electrical work are really just terms. Often the hang up is caused by an attempt to classify a task as electrical work or non-electrical work. People tend to get hung up on whether or not it is safe to work on a specific piece of electrical equipment.
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