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Questions and Answers
What is the primary purpose of performing an arc flash risk assessment?
What is the primary purpose of performing an arc flash risk assessment?
- To identify arc flash hazards (correct)
- To assess the design of electrical equipment
- To establish the arc flash boundary
- To determine the operating condition of electrical equipment
What should be considered when estimating the likelihood and severity of injury or damage to health in an arc flash risk assessment?
What should be considered when estimating the likelihood and severity of injury or damage to health in an arc flash risk assessment?
- The type of PPE available for use
- The ambient temperature in the vicinity of the electrical equipment
- The design of the electrical equipment and its operating time (correct)
- The number of personnel working in the area
What should be determined when additional protective measures are required, including the use of PPE?
What should be determined when additional protective measures are required, including the use of PPE?
- Appropriate safety-related work practices (correct)
- The color of the warning labels on the electrical equipment
- The material of construction for the electrical equipment
- The distance from the electrical equipment
According to the informational note, in what situations do closed doors typically not provide enough protection to eliminate the need for PPE?
According to the informational note, in what situations do closed doors typically not provide enough protection to eliminate the need for PPE?
Which method shall be used for the selection of arc flash PPE?
Which method shall be used for the selection of arc flash PPE?
What is the distance at which the arc flash boundary shall be determined?
What is the distance at which the arc flash boundary shall be determined?
What shall be used by the employee based on the incident energy exposure associated with the specific task?
What shall be used by the employee based on the incident energy exposure associated with the specific task?
How often should the incident energy analysis be reviewed for accuracy?
How often should the incident energy analysis be reviewed for accuracy?
What is used as the basis for the incident energy exposure level?
What is used as the basis for the incident energy exposure level?
When can the arc flash boundary be determined by Table 130.7(C)(15)(a) or Table 130.7(C)(15)(b)?
When can the arc flash boundary be determined by Table 130.7(C)(15)(a) or Table 130.7(C)(15)(b)?
What is not permitted regarding the results of an incident energy analysis for specifying an arc flash PPE category?
What is not permitted regarding the results of an incident energy analysis for specifying an arc flash PPE category?
What should be used for any parts of the body that are closer than the working distance at which the incident energy was determined?
What should be used for any parts of the body that are closer than the working distance at which the incident energy was determined?
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