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Class B TradeCore Tradesmedium29% of exam part

A dishwasher drain hose is connected without the required backflow protection method. What should be provided?

Correct Answer

D) Approved air gap.

Dishwasher drainage must be arranged to protect against backflow or contamination by the approved method.

Answer Options
A
Repair protection.
B
Safe uncapped discharge termination.
C
Seal protection.
D
Approved air gap.

Why This Is the Correct Answer

Dishwasher drainage must be arranged to protect against backflow or contamination by the approved method.

Why the Other Options Are Wrong

Option A: Repair protection.

Repair protection. addresses a neighboring field issue, but not the condition or method control required for plumbing fixture connection.

Option B: Safe uncapped discharge termination.

Safe uncapped discharge termination. addresses a neighboring field issue, but not the condition or method control required for plumbing fixture connection.

Option C: Seal protection.

Seal protection. addresses a neighboring field issue, but not the condition or method control required for plumbing fixture connection.

Memory Technique

Dishwasher is the clue; drainage is the method check for Checking Kitchen.

Reference Hint

Study anchor (closed-book): memorize Plumbing fixture connection from California Plumbing Code, California Code of Regulations Title 24. / Title 24 California Plumbing Code dishwasher drainage connection; know the rule or calculation trigger without relying on exam-room lookup.

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