Solve this proportion. An electrical repair team of 12 workers completes a job in 288 hours. How long should it take 9 workers working at the same rate to do the same amount of work?
Fill in the blank(s) with the appropriate word(s).
384
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In order to be injured by an arc flash:
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The plastic or foil sleeve on the outside of a branch duct in a crawl space serves as _____
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