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What is the maximum hanger spacing for ABS pipe according to plumbing standards?

  1. 8 feet

  2. 10 feet

  3. 12 feet

  4. 14 feet

The correct answer is: 10 feet

The maximum hanger spacing for ABS (Acrylonitrile Butadiene Styrene) pipe is set at 10 feet according to plumbing standards. This guideline is crucial for ensuring the structural integrity and proper support of the piping system. Proper spacing helps to prevent sagging and potential damage to the pipe, which can lead to leaks or failures in the system over time. Hangers provide support and help to stabilize the pipe, allowing it to withstand environmental factors and thermal expansion. Because ABS is a type of plastic pipe that can expand and contract with temperature changes, having the correct spacing is essential in accommodating this movement without placing undue stress on the pipe. While other spacing recommendations exist for different materials or pipe sizes, the 10-foot maximum for ABS is specifically aimed at maintaining its durability and performance.