Plumbing Codes and Regulations 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 Regulations flashcards as text
Per the IPC, which type of vent is defined as a vent that connects directly to the drain between the trap and the trap arm?
Answer: Wet vent
A wet vent serves as both a drain and a vent simultaneously, connecting within the zone between trap and trap arm.
According to the IPC, the maximum distance between a water closet trap and its vent is:
Answer: 10 feet
The IPC allows a trap-to-vent distance of up to 10 feet for a 3-inch water closet drain.
Under the UPC, copper tubing used for water distribution inside a building must be at minimum which type?
Answer: Type M
The UPC allows Type M copper (thinnest wall) for most interior water supply piping in residential applications.
A plumber installs a new lavatory in a commercial building. The IPC requires the drain outlet to be a minimum of:
Answer: 1-1/4 inches
The IPC specifies that lavatory fixture drain outlets must be a minimum of 1-1/4 inches in diameter.
Which ASSE standard governs the performance requirements for pressure-balancing shower valves?
Answer: ASSE 1016
ASSE 1016 covers the performance requirements for automatic compensating shower and tub/shower mixing valves.
Under the IPC, indirect waste piping from a commercial dishwasher must discharge to a floor sink with a minimum air gap of:
Answer: 1 inch or 2 pipe diameters, whichever is greater
The IPC requires an indirect waste air gap of 1 inch or 2 pipe diameters above the flood rim, whichever is greater.
Per the IPC, a building sewer serving a building with 50 drainage fixture units must be at least:
Answer: 4 inches
A 4-inch building sewer can handle up to 216 drainage fixture units under IPC sizing tables.