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PSI Arizona C-77 (Cr-77) Plumbing (including solar) Certification Package


To be certified The Arizona Business Management exam must be taken as well.

This is a dual license. 

Installation, alteration and repair of all plumbing when performed solely within property lines and not on public easements or right-of-ways, except as hereinafter provided.
Installation, alteration and repair of all piping, fixtures and appliances related to water supply, including pressure vessels and tanks (excluding municipal or related water supply systems); venting and sanitary drainage systems for all fluid, semi-fluid and organic wastes; septic tanks and leaching lines; roof leaders; lawn sprinklers; water conditioning equipment; piping and equipment for swimming pools.
Also included are piping, fixtures, appliances and pressure vessels for manufactured and natural gases, compressed air and vacuum systems, petroleum, fuel oil, non-potable liquids, hot water heating and hot water supply systems operating at pressures not exceeding 30 psig or temperatures not exceeding 220°F; steam heating and steam supply systems not exceeding 15 psig operating pressure; gas or oil fired space heaters and furnaces, excluding duct work. Piping for water cooling systems, excluding the refrigerant piping and equipment. Testing and balancing of hydronics systems.
Sewer, gas and water lines, and connections from structure to the nearest point of public supply or disposal may cross public or private easements or be installed within private easements. Pipe installed across public property may not be increased in size or make any other connection between the point of exit from private property to the point of connection at public supply or disposal. These lines shall not be installed parallel to main lines in public easements or right-of-ways.

The C-77 exam is 100 questions taken over 240 minutes. The minimum required score to pass is a 70%.

The C-77 Solar exam is 30 questions taken over 75 minutes. The minimum required score to pass is a 70%. 

The reference material listed above was used to prepare the questions for this examination. The examination may also contain questions based on trade knowledge or general industry practices. Except for Code books, you can base your answers on later editions of references as they become available. For Code questions, the examinations will be based only on the edition of the Code book that is listed.

Candidates may use a silent, nonprinting, non-programmable calculator in the examination center.

For C-77 exam: The first 8 materials may be brought into the exam center. The next 5 may not.

The following reference material is allowed in the examination center:

Code of Federal Regulations - 29 CFR Part 1926 (OSHA)

International Fuel Gas Code, 2018

International Mechanical Code, 2018

International Plumbing Code, 2018

NFPA 13 - Installation of Sprinkler Systems, 2016 Edition

NFPA 13D - Installation of Sprinkler Systems in One- and Two Family Dwellings and Manufactured Homes, 2007 Edition

NFPA 13R -Sprinkler Systems for Residential Occupancies up to and Including Four Stories in Height, 2007 Edition

On-site Wastewater Treatment Facility Provisions in Unified Water Quality Permit Rule, Arizona Administrative Code Title 18, Chapter 9, 2006,

The following reference material is not allowed in the examination center:

Mathematics for Plumbers and Pipefitters, 7th Edition, 2008

IPT's Pipe Trades Handbook

Boiler Operator's Guide, 4th edition

Arizona 811

Modern Hydronic Heating for Residential and Light Commercial Buildings, Second Edition, 2004

For the C-77 Solar exam: Only the 4th book may be brought into the exam center, and the last book specifically for the C-77 solar exam may not be brought into the exam center.  

The following reference material is allowed in the examination center:

International Plumbing Code, 2018 Edition

The following reference material is not allowed in the examination center:

Solar Water and Pool Heating Design and Installation Manual

Candidates are responsible for bringing their own references to the examination center. Reference materials may be highlighted, underlined, annotated and/or indexed prior to the examination session. However, references may not be written in during the examination session. Any candidate caught writing, highlighting, underlining and/or indexing in the references during the examination will be reported to the Arizona Registrar of Contractors. Furthermore, candidates are not permitted to bring in any additional papers (loose or attached) with their approved references. References may be tabbed/indexed with permanent tabs only. (permanent tabs are defined as tabs that would tear the page if removed). Temporary tabs, (defined as Post-It notes, or other tabs that may be removed without tearing the page) are not allowed and must be removed from the reference before the exam will begin. If you are downloading from the Internet, you may bring this reference into the testing center with you as long as it is bound. You can have it spiral bound or you may hole-punch it and put it in a binder. 

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