Fixtures & Water HeatersQuestion 197 of 360
Which statement about traps on plumbing fixtures is correct?
a.Two fixtures may never share any drain
b.A fixture needs a trap only if it drains hot water
c.Traps are optional on floor drains
d.Each plumbing fixture must be separately trapped, with limited exceptions
Explanation
Each plumbing fixture generally must be individually trapped to keep sewer gases out of the building. Limited exceptions allow, for example, a three-compartment sink to share a trap under specific rules. The trap's water seal is the barrier against gases.
Law Reference: 2022 California Plumbing Code (CPC) §1002.1Practice all 360 questions free — no signup required.
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