Licensing Exams by Trade Name - Home Link

Minnesota

Pipe Laying Certificate

Apply for the License and Exam
Minnesota DOLI
Plumbing Contractor Licensing

443 Lafayette Road North
St. Paul, MN  55155
Phone:  (651) 284-5034
Exam Type
OPEN  BOOK
Exam Content

Detailed exam content and specific sub-category subjects for each plumbing code chapter are fonud under the heading of "Examination Knowledge Area" in the linked exam guide below:

Subject AreaNo. of
Sub-Categories
Basic Plumbing Principles
Conformance with Code
Chapter 2 – Definitions
Chapter 3 – General Regulations66
Chapter 7 – Sanitary Drainage, Part II - Building Sewers42
Total number of test points:
(unknown)
Time allowed (hours):
(unknown)
1a.
Minnesota Plumbing Code, Chapter 4714, 2020
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1b.
Minnesota Plumbing Code (online version), 2020, IAPMO
Web Page Link
2.
Plumbing rules Chapter 4716
Web Page Link
3.
Minnesota Statute Chapter sections 326B.41 to 326B.49
Web Page Link

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