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Plumber Apprentice/Helper Exam (Apprentice-P) Exam Blueprint

Apprentice-P

Plumber Licensing

60Questions
120 minDuration
70/Percentage (typically 70%; 72% for California C-36)Passing Score
2 yearsValid For
Practice Plumber Apprentice/Helper Exam on QuizForge

Exam Domains

1 Plumbing System Design and Installation Weight not published
2 Drain, Waste, and Vent (DWV) Systems Weight not published
3 Water Supply and Distribution Weight not published
4 Fixtures and Faucets Weight not published
5 Safety and OSHA Requirements Weight not published

Exam Details

Question TypesMultiple Choice
FormatComputer-based or paper test at testing center; most states allow the relevant plumbing code book (IPC or UPC) as a reference during the exam.
Online ProctoringNot available
ID RequirementsGovernment-issued photo ID required. Name on ID must match registration exactly.
RenewalRequired -- License renewal every 2–3 years; continuing education required (8–16 hours depending on state); plumbing code editions update every 3 years and may require code-update training.
Retake PolicyTypically a 30-day waiting period between failed attempts. Most states allow 3–5 attempts per year. Some states require reapplication after multiple consecutive failures.
Source