Quiz: 2024 International Residential Code (IRC) Chapter 29 Water Supply And Distribution

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1. Under what specific conditions can plumbing fixtures and appliances be supplied with nonpotable water instead of potable water?

2. What is the minimum required letter height for signage identifying nonpotable water outlets?

3. A nonpotable water distribution pipe with a 4-inch diameter is being installed. What color should the identification be, and what is the minimum required letter size for the marking?

4. According to the code, what is prohibited regarding cross-connections in a potable water supply system?

5. For a 'High or low hazard' application involving both 'Backpressure or backsiphonage' for sizes 3/8" – 16", which backflow prevention assembly is typically used according to Table P2902.3?

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