Minnesota Plumbing Contractor
Examination Questions and Correct
Answers (Verified Answers) Plus Rationale
2027 Q&A| Instant Download Pdf
1. Which Minnesota license is generally required for a business that
contracts to perform plumbing work throughout the state?
A. journey worker plumber license
B. Registered unlicensed plumber registration
C. Plumbing contractor license
D. Residential remodeler license
Rationale: A Minnesota plumbing contractor license authorizes a
business to contract to perform plumbing work statewide, provided
the business maintains the required responsible licensed individual,
bond, insurance, and other licensing requirements.
2. Who must serve as the responsible licensed individual for a
Minnesota plumbing contractor license?
,A. Any registered unlicensed plumber
B. A journeyworker plumber
C. An active master plumber who meets the ownership or
employment requirements
D. Any construction supervisor
Rationale: Minnesota requires the plumbing contractor to designate a
responsible licensed individual who holds an active master plumber
license and satisfies the specified relationship to the business. The
individual is responsible for plumbing work performed by the
company's employees.
3. What minimum surety bond is generally required for a Minnesota
plumbing contractor license?
A. $5,000
B. $10,000
C. $15,000
D. $25,000
Rationale: Minnesota DLI requires a plumbing contractor to provide a
$25,000 surety bond on the required form. The bond is one of the
licensing requirements for the contractor business.
4. Which Minnesota code governs the design and installation of
plumbing systems statewide?
,A. 2018 International Plumbing Code
B. 2020 Minnesota Electrical Code
C. 2020 Minnesota Plumbing Code
D. 2024 Minnesota Mechanical Code
Rationale: The 2020 Minnesota Plumbing Code, Minnesota Rules
Chapter 4714, regulates plumbing-system design and installation
statewide. It incorporates the 2018 Uniform Plumbing Code with
Minnesota amendments.
5. The 2020 Minnesota Plumbing Code became effective on which
date?
A. January 1, 2020
B. March 31, 2020
C. December 17, 2021
D. January 1, 2022
Rationale: Minnesota adopted the 2020 Plumbing Code with an
effective date of December 17, 2021. The code is based substantially
on the 2018 Uniform Plumbing Code with Minnesota amendments.
6. Which organization publishes the Minnesota custom edition of
the 2020 Plumbing Code?
, A. ICC
B. NFPA
C. ASSE
D. IAPMO
Rationale: The Minnesota Plumbing Code is published by the
International Association of Plumbing and Mechanical Officials
(IAPMO) in a Minnesota-specific reformatted edition.
7. A plumbing contractor's responsible licensed individual must be
responsible for:
A. Only obtaining permits
B. Only estimating jobs
C. Only supervising apprentices
D. All plumbing work performed by the company's employees
Rationale: The responsible licensed individual is accountable for the
plumbing work performed by employees of the licensed plumbing
contractor. This is a central component of Minnesota contractor
licensing.
8. A plumbing contractor's liability insurance certificate should
identify the business name:
Examination Questions and Correct
Answers (Verified Answers) Plus Rationale
2027 Q&A| Instant Download Pdf
1. Which Minnesota license is generally required for a business that
contracts to perform plumbing work throughout the state?
A. journey worker plumber license
B. Registered unlicensed plumber registration
C. Plumbing contractor license
D. Residential remodeler license
Rationale: A Minnesota plumbing contractor license authorizes a
business to contract to perform plumbing work statewide, provided
the business maintains the required responsible licensed individual,
bond, insurance, and other licensing requirements.
2. Who must serve as the responsible licensed individual for a
Minnesota plumbing contractor license?
,A. Any registered unlicensed plumber
B. A journeyworker plumber
C. An active master plumber who meets the ownership or
employment requirements
D. Any construction supervisor
Rationale: Minnesota requires the plumbing contractor to designate a
responsible licensed individual who holds an active master plumber
license and satisfies the specified relationship to the business. The
individual is responsible for plumbing work performed by the
company's employees.
3. What minimum surety bond is generally required for a Minnesota
plumbing contractor license?
A. $5,000
B. $10,000
C. $15,000
D. $25,000
Rationale: Minnesota DLI requires a plumbing contractor to provide a
$25,000 surety bond on the required form. The bond is one of the
licensing requirements for the contractor business.
4. Which Minnesota code governs the design and installation of
plumbing systems statewide?
,A. 2018 International Plumbing Code
B. 2020 Minnesota Electrical Code
C. 2020 Minnesota Plumbing Code
D. 2024 Minnesota Mechanical Code
Rationale: The 2020 Minnesota Plumbing Code, Minnesota Rules
Chapter 4714, regulates plumbing-system design and installation
statewide. It incorporates the 2018 Uniform Plumbing Code with
Minnesota amendments.
5. The 2020 Minnesota Plumbing Code became effective on which
date?
A. January 1, 2020
B. March 31, 2020
C. December 17, 2021
D. January 1, 2022
Rationale: Minnesota adopted the 2020 Plumbing Code with an
effective date of December 17, 2021. The code is based substantially
on the 2018 Uniform Plumbing Code with Minnesota amendments.
6. Which organization publishes the Minnesota custom edition of
the 2020 Plumbing Code?
, A. ICC
B. NFPA
C. ASSE
D. IAPMO
Rationale: The Minnesota Plumbing Code is published by the
International Association of Plumbing and Mechanical Officials
(IAPMO) in a Minnesota-specific reformatted edition.
7. A plumbing contractor's responsible licensed individual must be
responsible for:
A. Only obtaining permits
B. Only estimating jobs
C. Only supervising apprentices
D. All plumbing work performed by the company's employees
Rationale: The responsible licensed individual is accountable for the
plumbing work performed by employees of the licensed plumbing
contractor. This is a central component of Minnesota contractor
licensing.
8. A plumbing contractor's liability insurance certificate should
identify the business name:
