Rhode Island Journeyman Plumber Practice Exam

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What is the minimum height for shower compartments?

1 inch
2 inches
3 inches
4 inches

The correct answer is: 2 inches

The minimum height for shower compartments, which is 2 inches, is established to ensure effective drainage while preventing water from escaping the designated wet area. This height is generally based on plumbing codes that specify the necessary elevation for shower pans to avoid water accumulation and possible leaks. By maintaining this minimum height, it also helps in creating a barrier that contains water within the shower area, enhancing user safety and comfort by preventing slips due to water pooling on the bathroom floor. This requirement is crucial for proper functioning and compliance with plumbing standards.