Rhode Island Journeyman Plumber Practice Exam

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Study for the Rhode Island Journeyman Plumber Exam. Prepare with flashcards and multiple choice questions with detailed explanations. Ace your exam!

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What is the standard vertical clearance for installing a water connection?

2 inches
3 inches
4 inches
5 inches

The correct answer is: 4 inches

The standard vertical clearance for installing a water connection is often set at 4 inches to ensure that the connection maintains an adequate distance from potential contaminants and is compliant with health and safety regulations. This clearance helps to prevent any backflow or accidental contamination of the potable water supply. Having a height differential of 4 inches allows for adequate drainage and provides room for any necessary fittings or adjustments that could be needed during installation or maintenance. Additionally, this height is a common requirement in plumbing codes, ensuring that all installations meet consistent health standards. Other options may not meet the necessary safety and operational standards, which is why the choice of 4 inches stands out as being the most commonly recognized and adhered to in plumbing practices.