Licensing Exams by Trade Name - Home Link

Washington DC

(303) Master Plumber

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District of Columbia
Board of Industrial Trades

1100 4th St SW
Washington, DC  20024
Phone:  (202) 442-4400
Exam Provider
PSI Services LLC
DCRA Plumbers Licensing

3210 E. Tropicana
Las Vegas, NV 89121
Phone:  (800) 733-2929
Exam Type
OPEN  BOOK
Exam Content
Content Areas% of
Questions
Plumbing Fixtures & Terminology7
Plumbing Fundamentals13
Traps, Cleanouts & Interceptors7
Special Requirements3
Drainage Requirements19
Vent Requirements17
Water Distribution11
Plan & Analysis23
Total number of test questions:
100
Time allowed (hours):
4.0
Books Allowed in the Exam
1.
International Plumbing Code, 2012, ICC
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