Book updated Jun 2026.
Massachusetts requires a Plumbing Contractor license prior to bidding on or contracting plumbing work. A Journeyman Plumber in Massachusetts is a person who themself does any work in plumbing and gas fitting, subject to inspection under any law, rule, or regulation.
We create these self-practice test questions module referencing the concepts and principles currently valid in the written exam. Each question comes with an answer and a short explanation which aids you in seeking further study information. We want to make sure these questions are tough enough to really test your readiness and draw your focus to the weak areas. Think of these as challenges presented to you so to assess your comprehension of the subject matters. The goal is to reinforce learning, to validate successful transference of knowledge and to identify areas of weakness that require remediation.
