Licensing Exams by Trade Name - Home Link

Denver (Colorado)
(228) Refrigeration Operator

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City and County of Denver ™
Community Planning and Development

201 W. Colfax Ave, Dept. 205
Denver, CO  80202
Phone: (720) 865-2770
Denver Licensing Link

Exam Administrator

International Code Council ™
900 Montclair Rd.
Birmingham, AL 35213
(888) 422-7233, ext. 5524
Candidate Information Web Page

Exam Type

OPEN  BOOK

Exam Content

Subject Areas% of
Questions
Theory, Terminology and General Requirements18
Compressors and Types of Systems10
Evaporators, Condensers and Cooling Towers10
Piping Inspection and Field Testing8
Air Ducts and Insulation6
Electrical and Controls22
Refrigerants12
Operation Procedures6
Maintenance and Repairs8
Total number of test questions:
50
Time allowed (hours):
2.5

Books Allowed in the Exam

1.
International Building Code, 2015, ICC
Buy at Amazon
2.
National Electrical Code (NFPA-70), 2014, NFPA
Buy at Amazon
3.
Modern Refrigeration and Air Conditioning, 18th Edition, Althous, Turnquist, Bowditch, Bracciano
Buy at Amazon

Additional Recommended Books

1.
Ferm's Fast Finder Index, 2014, IAEI
Buy at Amazon
2.
Tom Henry's Key Word Index, 2014, Tom Henry
Buy at Amazon

We highly recommend that you purchase one of the two NEC index books above to study for your exam.  Each book is a comprehensive subject index to the NEC.  They provide an even faster way to look up answers in the code and are far more detailed than the index at the end of the code book.

Study materials are currently NOT available for this exam

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