Licensing Exams by Trade Name

Connecticut
(W-10) Limited Direct Exchange Geothermal Driller

Apply for the License
Connecticut DCP
Occupational & Construction Licensing
450 Columbus Blvd, Suite 801
Hartford, CT  06103
(860) 713-6135
Licensing Agency Site
Exam Provider
PSI Services LLC
3210 E. Tropicana
Las Vegas, NV  89121
Phone:  (855) 746-8171
Connecticut Occupational Trades Site
Exam Type
OPEN  BOOK
Exam Content
Subject Areas# of
Questions
General Regulations5
Drilling & Boreholes5
Drilling Methods6
Casing4
Grouting & Sealing4
Contamination Prevention3
Safety1
General Knowledge9
Abandonment1
Piping Methods2
Total number of test questions:
40
Time allowed (minutes):
90

In addition to the trade-specific examination, you are required to pass the Connecticut Business & Law Exam offered by PSI.

Link to Business and Law Study Materials
Books Allowed in the Exam
1.
Connecticut Occupational Licensing Law, Ch. 482, Well Drilling, Sec. 25-126 thru Sec. 25-137
Web Page Link
2.
Regulations of Connecticut State Agencies: Title 25 Water Resources, Sec. 25-128-33 thru 25-128-64
Web Page Link
3.
Manual of Water Well Construction Practices, 3rd Edition, 2017, Stuart Smith, NGWA
Book Source
4.
Groundwater and Wells, 3rd Edition, Robert J. Sterrett
Buy at Amazon
5.
Closed-Loop/Geothermal Heat Pump Systems 3rd Edition, Robert J. Sterrett
Web Page Link
6.
Handbook of Suggested Practices for the Design and Installation of Ground-Water Monitoring Wells, 1989, NGWA
Book Source
7.
CFR Title 29, Part 1926 Selections (OSHA), 2013, PSI
Buy from PSI
Books Allowed — NOT Required
1.
NASCLA Contractor’s Guide, Connecticut 6th Edition, NASCLA
Buy at Amazon

NOTE:  The book above is not required however, it does contain the statutory text of references #1 and #2 above used for the Geothermal examinations.

Available Study Materials
This study guide only covers the OSHA portion of the PSI exam.
PSI OSHA Selections, 2013
Study Guide
$49.95
We advise that you NOT purchase the PSI published book shown in the exam bulletin.  We recommend a better, up-to-date allternative on our Study Guides purchase page linked below.

The button below will take you to the details about our 800 question Study Guides and provide you with a FREE "Reference Navigator" document that allows you to more accutately decide which sections of the federal code applies to your exam.  PSI does not provide this information.
Go to OSHA Guide buy page
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May-2025