Safe 256 Lesson 9.docx - Safe 256 Lesson 9 1 What do OSHA and the NFPA suggest as the primary method of protecting employees from shock hazards Both

Safe 256 Lesson 9.docx - Safe 256 Lesson 9 1 What do OSHA...

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Safe 256 Lesson 9 1. What do OSHA and the NFPA suggest as the primary method of protecting employees from shock hazards? Both agencies suggest that de-energizing equipment should be the primary method of protecting employees. However, OSHA requires all live parts employees will be working on or exposed to be de-energized. There is an exception if the employer can demonstrate that de-energizing the live parts will cause more of a hazard or is infeasible due to design. Page 120 2. Give two examples of work that may be performed on energized electrical circuits. Work can be performed when testing, troubleshooting, and voltage measuring of electrical circuits that can only be performed with the circuit energized. The other work that can be performed is work on circuits and parts that operate at less than 50 volts to ground so as long as there will be no increased exposure. With both types of work, employees will need to ensure that they are wearing proper PPE or isolating other energized parts by using insulating materials. If work must be
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