Plumbing Codes and Standards Flashcards
7 cards from real Master Plumber Exam practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Plumbing Codes and Standards flashcards as text
Under the IPC, what is the minimum trap seal depth required for fixture traps?
Answer: 2 inches
The IPC requires fixture traps to maintain a minimum seal depth of 2 inches and a maximum of 4 inches.
Which organization publishes the Uniform Plumbing Code (UPC) used in many western US states?
Answer: IAPMO
The International Association of Plumbing and Mechanical Officials (IAPMO) publishes and maintains the Uniform Plumbing Code.
Per the IPC, what is the maximum distance a P-trap can be located from the fixture outlet it serves?
Answer: 24 inches
The IPC allows a maximum of 24 inches between a fixture outlet and the trap weir.
According to the IPC, which pipe material is NOT approved for use as a building drain?
Answer: CPVC
CPVC is approved for hot and cold water supply but is not listed for use as a building drain or sanitary drainage piping.
Under the IPC, what type of fitting is required when changing direction from vertical to horizontal in a drainage system?
Answer: Long-turn 90° elbow or two 45° elbows
The IPC requires long-sweep fittings or combinations of 45° fittings when changing from vertical to horizontal drainage flow.
Per the IPC, what is the minimum slope required for a 3-inch horizontal drainage pipe?
Answer: 1/8 inch per foot
The IPC requires a minimum slope of 1/8 inch per foot for horizontal drainage pipes 3 inches and larger in diameter.
Which code section of the IPC addresses the installation requirements for backflow prevention devices?
Answer: Chapter 6
IPC Chapter 6 covers water supply and distribution, including backflow prevention device installation requirements.