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Electrical and Plumbing Rough-In Basics
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When roughing in a drain line, what is the primary purpose of a 'p-trap'?
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50-50
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Audience
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A
To hold a water seal that prevents sewer gases from entering the home
B
To regulate the water pressure entering the fixture
C
To filter out solid debris before it reaches the main sewer line
D
To provide a cleanout access point for snake tools
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