Plumber Red Seal · Question
Which of the following fixtures must have an indirect connection to the sanitary drainage system?
Fixtures used for food preparation, such as a three-compartment sink in a commercial kitchen, must be indirectly connected to the drainage system. This creates
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Question: Which of the following fixtures must have an indirect connection to the sanitary drainage system?
Answer options:
- Residential dishwasher ✅ Commercial kitchen three-compartment sink
- Public washroom lavatory
- Residential laundry tub
Correct answer: Commercial kitchen three-compartment sink
Explanation: Fixtures used for food preparation, such as a three-compartment sink in a commercial kitchen, must be indirectly connected to the drainage system. This creates an air break to prevent sewage from backing up and contaminating the sink and food preparation area.
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