Arizona
L-54 Water Conditioning Equipment
(Commercial / Dual License K-54)

Apply for the License

Arizona Registrar of Contractors
3838 North Central Avenue
Phoenix, AZ 85012
Phone: (602) 542-1525
Licensing Link

Exam Administrator

PSI Services, LLC
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (800) 733-9267, Fax: (702) 932-2666
Examination Link

Exam Type

CLOSED BOOK

Exam Content

Subject Areas	% of Questions
General Knowledge	31
Water Conditioning Equipment	31
Water Filters and Reverse Osmosis	14
Indirect Waste	9
Trenching and Backfill	9
Concrete Supports	3
Safety	3

Total Number of Test Questions:	70
Time Allowed (hours):	2.0
Passing Percentage:	70%

The state of Arizona also requires that you take and pass a written Business Management exam for this trade.

Part of this exam requires knowledge of business management principles. We offer those study materials on a separate Arizona Business Management web page.

Books NOT Allowed in the Exam

1.	Uniform Plumbing Code, 2006, International Association of Plumbing and Mechanical Officials.
2.	A Practical Application Manual for Residential, Point of Use Reverse Osmosis Systems, 2002, Water Quality Association.
3.	Design and Control of Concrete Mixtures, 14th Edition, 2002, Steven H. Kosmatka, William C. Panarese, Portland Cement Association.
4.	Mathematics for Plumbers and Pipefitters, 7th Edition, 2008, Lee Smith, Bartholomew D'Arcangelo, Benedict D'Arcangelo, J. Russell Guest.
5.	Plumbing Design and Installation, 3rd Edition, 2006, ATP.
6.	State of Arizona OSHA Safety and Health Standards for the Construction Industry (29 CFR Part 1926), 2007, Arizona Industrial Commission.
7.	Water Treatment Fundamentals, 7th Edition, 2001, Water Quality Association.

Recommended Study Materials

Arizona • L-54 Water Conditioning Equipment

Product Name	Price
Comprehensive Tutorial
Plumbing Math Tutorial
Practice Tests ( 3 )
When you order the products above, they will be sent to you by e-mail (see FAQ page for delivery times). If you prefer the files can be burned on to a CD-ROM disc and sent by USPS mail, you must notify us within 3 days of ordering using the form on our "Contact Us" page.

Recommended DVD Study Courses
DVD Title	Price
OSHA
UPC Drainage and Vent