Compliance and Plumbing Systems Flashcards
6 cards from real IPC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Compliance and Plumbing Systems flashcards as text
According to the IPC, what is the minimum air gap required for a lavatory when measured from the flood level rim to the water supply inlet?
Answer: 1 inch
The IPC specifies a minimum 1-inch air gap for lavatories between the flood level rim and the water supply inlet to prevent backflow contamination.
Under the IPC, who is responsible for ensuring that plumbing work complies with the code before it is concealed?
Answer: The code official
The code official (inspector) is responsible for inspecting plumbing work before it is concealed to verify compliance with the IPC.
What does the IPC require when existing plumbing systems are altered or extended?
Answer: Only the new work must comply with current code
The IPC requires that new work on alterations or extensions must comply with the current code, but existing compliant portions do not need to be upgraded.
According to the IPC, what is the maximum allowable working pressure for a standard plumbing system?
Answer: 80 psi
The IPC limits the maximum working pressure in a plumbing system to 80 psi. A pressure-reducing valve is required when supply pressure exceeds this limit.
Under the IPC, what documentation must a plumber provide to the code official before beginning work?
Answer: An approved permit and plans
The IPC requires that an approved permit and construction documents (plans) be obtained before plumbing work begins.
Which of the following is considered a violation of the IPC regarding system testing?
Answer: Skipping the final inspection test
Skipping the final inspection test is a code violation. The IPC requires all plumbing systems to be tested and approved before use.