Licensing Exams by Trade Name

Mississippi
Mechanical Contractor

Apply for the License
Mississippi Board of Contractors (MSBOC)
2679 Crane Ridge Drive, Suite C
Jackson, MS  39216
Phone:  (601) 354-6161
Exam Provider
PSI Services LLC
3210 E. Tropicana Ave
Las Vegas, NV  89121
Phone:  (800) 557-0619
Exam Type
OPEN  BOOK
Exam Content
Subject Areas# of
Questions
Boilers & Hydronics6
Gas Systems10
Cleanouts3
Plumbing Fixtures & Equipment5
Water Heaters2
Piping, Valves & Controls5
Sheet Metal & Ducts6
Water Supply5
Hangers & Supports4
Drain, Waste & Vent5
Backflow2
Traps & Interceptors4
Developed Length3
Isometric Analysis8
Safety4
Joints & Connections3
General Plumbing Regulations3
Fire Sprinklers4
Refrigerants & Refrigeration4
Heating & Cooling Principles4
Load Calculations5
Testing, Adjusting & Balancing1
HVAC Equipment4
Total number of test questions:
100
Time allowed (hours):
4.0
Scope of Work

All aspects of heating, cooling, refrigeration & associated equipment piping & ductwork as well as plumbing work.

In addition to the Mississippi trade-specific examination, you are required to pass the Law & Business Management Exam offered by PSI unless waived through reciprocity.

Books Allowed in the Exam
1.
Modern Refrigeration and Air Conditioning, 20th Edition, 2016, Althous, Turnquist, Bowditch, Bracciano
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2.
CFR Title 29, Part 1926 Selections (OSHA), 2013, PSI
Buy from PSI
3.
International Fuel Gas Code, 2018, ICC
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4.
HVAC Duct Construction Standards - Metal and Flexible, 3rd Edition, 2005, SMACNA
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5.
Manual N: Load Calculation for Commercial Summer & Winter Air Conditioning, 5th  Edition, 2012, ACCA
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6.
International Mechanical Code, 2018, ICC
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7.
International Plumbing Code, 2018, ICC
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8.
NFPA 58: Liquefied Petroleum Gas Code, 2011, NFPA
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9.
NFPA 13: Standard for the Installation of Sprinkler Systems, 2002, NFPA
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10.
ACCA Ductulator (Duct Slide Rule), 2009, ACCA
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11.
Manual D: Residential Duct Systems, 3rd Edition, 2016, ACCA
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12.
Pipefitters Handbook, 3rd Edition, 1967, Forrest Lindsey
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NOTICE:  The version (4th) shown in the PSI bulletin for reference #11 appears to be incorrect.

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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