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PSI Massachusetts Master Plumber (Part 2-Practical) Certification Package


The exam consists of 40 questions in 160 minutes. The minimum passing scores i s 70%, which means one must correctly answer 28 of the questions.

In order to become a Massachusetts Master Plumber, one must pass both parts one and two of the Massachusetts Master Plumber exams. This is Part 2.

Scope of Work
A plumber having a regular place of business and who, by himself or journeyman plumbers in his employ, performs plumbing and gas fitting work, subject to inspection and in compliance with any law, rule, or regulation pertaining to same.

Examinations are CLOSED BOOK, computer generated and two parts. Examination scores are stand alone scores, i.e. each part of the examination is independent but necessary. Candidates who fail one part of an examination are only required to retake the part of the examination that they failed. However, all candidates are required to sit and pass each part of the examination for licensure. Passing scores are valid for ONE YEAR ONLY.

All the reference materials listed below were used to prepare the questions for these examinations. The examinations may also contain questions based on trade knowledge, or general industry practices. Except for Codebooks, you can use later editions of references as they become available. For Code questions, the examinations will be based only on the edition of the Codebook that is listed.

The following references are NOT allowed in the examination center:

248 CMR Section 3.00 2012

248 CMR Section 4.00 2014 Massachusetts Fuel Gas Code

248 CMR Section 5.00 2014 Amendments to NFPA 54

248 CMR Section 6.00 2014 Amendments to NFPA 58

248 CMR Section 7.00 2014 Large Gas Utilization Equipment

248 CMR Section 11.00 2010

 248 CMR 10.00–10.23 Massachusetts Uniform State Plumbing Code 2005

State of Massachusetts General Laws, General Provisions Governing the Conduct of Plumbing and Gas Work Performed in the Commonwealth

NFPA 54 National Fuel Gas Code, 2012

NFPA 58 Liquefied Petroleum Gas Code, 2011

MGL Chapter 142: Supervision of Plumbing 

|title=Reference Materials|248-cmr|248-cmr-6-00|general-laws-of-massachusetts-mgl-chapter-141|nfpa-54-national-fuel-gas-code-2012-ed|nfpa-58-liquefied-petroleum-gas-code-2011-edition|mgl-chapter-142|title=Application Assistance|application-service|
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