Construction Trade Exam Research Area

(SM-3) Limited Sheet Metal Residential/
Light Commercial Contractor

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Connecticut Department of Consumer Protection
Occupational & Professional Licensing Division

165 Capitol Ave.
Hartford, CT  06106
(860) 713-6100
Licensing Site

Exam Administrator

PSI Licensure : Certification
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (800) 733-9267
Candidate Information Web Page

Exam Type


Exam Content

Subject Areas% of
Ducts 36
Blueprint Reading 4
General Knowledge 4
Kitchen Hoods, Ventilation, and Exhaust Equipment 4
Exhaust Systems and Venting 4
Safety 4
Welding 4

Total number of test questions: 60
Time allowed (hours): 2.0
The state of Connecticut also requires that you take and pass a written Business Management exam for this trade.

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Books Allowed in the Exam

1. International Mechanical Code - OR - International Mechanical Code Commentary, 2012 or 2015 Editions, ICC. Buy at Amazon
2. NFPA 90A: Standard for the Installation of Air Conditioning and Ventilation Systems, 2012, NFPA Buy at Amazon
3. ACCA Ductulator (Duct Slide Rule), ACCA. Buy at Amazon
4. Code of Federal Regulations - 29 CFR Part 1926 (OSHA), GPO - OR - (OSHA) Selections by PSI, (latest amendments). Buy from PSI
5. Fibrous Glass Duct Construction Standards, 5th Edition, 2002, North American Insulation Manufacturers Association. Buy from Publisher
6. HVAC Duct Construction Standards - Metal and Flexible, 3rd Edition, 2005, SMACNA. Buy at Amazon
7. Modern Welding, 11th Edition, 2012, A.D. Althouse, C.H. Turnquist, W.A. Bowditch, K.E. Bowditch. Buy at Amazon

Books NOT Allowed in the Exam

1. Sheet Metal, 2nd Edition, 2006, Leo A. Meyer. Buy at Amazon

Recommended Study Materials

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Comprehensive Tutorial price More Information
Practice Tests ( 3 ) price More Information
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