Page 1 of 149
PLUMBING CONTRACTOR 2026/2027 EXAM
REAL QUESTIONS WITH WELL ELABORATED
ANSWERS (100% CORRECT VERIFIED
SOLUTIONS) LATEST UPDATED VERSION
GUARANTEED PASS A+
1. Under ARS §32-1151, which action is considered
unprofessional conduct for a plumbing contractor?
A) Submitting a lower bid than a competitor
B) Failing to complete a signed contract without legal excuse
C) Recommending a more expensive, durable material
D) Requesting a progress payment per contract terms
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Answer: B
Rationale: ARS §32-1151(A)(3) lists abandonment or willful
failure to perform a contract as unprofessional conduct.
2. A homeowner asks you to replace a water heater without a
permit. What should you do?
A) Install it to help them save money
B) Install it and backdate the invoice
C) Refuse and explain permits are required by ARS §41-2143
D) Install it but tell them to say it was existing
Answer: C
Rationale: ARS §41-2143 requires permits. Violation leads to
ROC fines and license suspension.
3. How many years of journey-level experience are required
for an Arizona plumbing contractor license?
A) 1 year
B) 2 years
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C) 4 years
D) 6 years
Answer: C
Rationale: ARS §32-1122 requires 4 years of full-time
journey-level experience within last 10 years.
4. Which agency issues plumbing contractor licenses in
Arizona?
A) Arizona Department of Revenue
B) Arizona Registrar of Contractors (ROC)
C) Arizona Board of Water Quality
D) Arizona State Licensing Board for Plumbers
Answer: B
Rationale: The Arizona Registrar of Contractors licenses all
contractors under ARS Title 32, Chapter 10.
5. You sign a contract to repipe a house
for 8,000.Homeownerpays8,000.Homeownerpays2,000
deposit. You do 50% of the work then stop returning calls.
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What is this called?
A) Breach of warranty
B) Abandonment – unprofessional conduct
C) Constructive change order
D) Force majeure
Answer: B
Rationale: ARS §32-1151(A)(3) – abandonment without legal
excuse is unprofessional conduct.
6. What is the maximum deposit a residential plumbing
contractor can demand in Arizona?
A) 10% of contract
or 1,000,whicheverislessB)251,000,whicheverislessB)252,500
C) No limit if in writing
D) 50% of contract
Answer: A
Rationale: ARS §32-1158.01 – deposit cannot exceed 10%
PLUMBING CONTRACTOR 2026/2027 EXAM
REAL QUESTIONS WITH WELL ELABORATED
ANSWERS (100% CORRECT VERIFIED
SOLUTIONS) LATEST UPDATED VERSION
GUARANTEED PASS A+
1. Under ARS §32-1151, which action is considered
unprofessional conduct for a plumbing contractor?
A) Submitting a lower bid than a competitor
B) Failing to complete a signed contract without legal excuse
C) Recommending a more expensive, durable material
D) Requesting a progress payment per contract terms
,Page 2 of 149
Answer: B
Rationale: ARS §32-1151(A)(3) lists abandonment or willful
failure to perform a contract as unprofessional conduct.
2. A homeowner asks you to replace a water heater without a
permit. What should you do?
A) Install it to help them save money
B) Install it and backdate the invoice
C) Refuse and explain permits are required by ARS §41-2143
D) Install it but tell them to say it was existing
Answer: C
Rationale: ARS §41-2143 requires permits. Violation leads to
ROC fines and license suspension.
3. How many years of journey-level experience are required
for an Arizona plumbing contractor license?
A) 1 year
B) 2 years
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C) 4 years
D) 6 years
Answer: C
Rationale: ARS §32-1122 requires 4 years of full-time
journey-level experience within last 10 years.
4. Which agency issues plumbing contractor licenses in
Arizona?
A) Arizona Department of Revenue
B) Arizona Registrar of Contractors (ROC)
C) Arizona Board of Water Quality
D) Arizona State Licensing Board for Plumbers
Answer: B
Rationale: The Arizona Registrar of Contractors licenses all
contractors under ARS Title 32, Chapter 10.
5. You sign a contract to repipe a house
for 8,000.Homeownerpays8,000.Homeownerpays2,000
deposit. You do 50% of the work then stop returning calls.
, Page 4 of 149
What is this called?
A) Breach of warranty
B) Abandonment – unprofessional conduct
C) Constructive change order
D) Force majeure
Answer: B
Rationale: ARS §32-1151(A)(3) – abandonment without legal
excuse is unprofessional conduct.
6. What is the maximum deposit a residential plumbing
contractor can demand in Arizona?
A) 10% of contract
or 1,000,whicheverislessB)251,000,whicheverislessB)252,500
C) No limit if in writing
D) 50% of contract
Answer: A
Rationale: ARS §32-1158.01 – deposit cannot exceed 10%
