A cross connection between a private water supply and a public water supply shall not be made.

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Study for the Kentucky Journeyman Plumbing Test. Use flashcards and multiple choice questions with hints and explanations to improve your knowledge. Prepare for your exam effectively!

Multiple Choice

A cross connection between a private water supply and a public water supply shall not be made.

Explanation:
Cross connections create a backflow risk: if pressure changes, contaminants from one system can be drawn into the other. Connecting a private water supply to a public water supply is prohibited because a private source (like a well) may carry substances that the public system isn’t equipped to handle, and backflow could contaminate the drinking water supply. To prevent this, private and public systems must remain separate or be protected by an approved backflow prevention measure when both exist on the same site. The other pairings aren’t what this rule targets.

Cross connections create a backflow risk: if pressure changes, contaminants from one system can be drawn into the other. Connecting a private water supply to a public water supply is prohibited because a private source (like a well) may carry substances that the public system isn’t equipped to handle, and backflow could contaminate the drinking water supply. To prevent this, private and public systems must remain separate or be protected by an approved backflow prevention measure when both exist on the same site. The other pairings aren’t what this rule targets.

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