C-38 · California

C-38 Refrigeration

A refrigeration contractor constructs, fabricates, erects, installs, maintains, services and repairs refrigerators, refrigerated rooms, and insulated refrigerated spaces, temperature insulation, air-conditioning units, ducts, blowers, registers, humidity and thermostatic controls for the control of air, liquid, and/or gas temperatures below fifty degrees Fahrenheit (50 ), or ten degrees Celsius (10 ). Authority cited: Sections 7008 and 7059, Reference: Sections 7058 and 7059 (Business and Professions Code)

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Law and Business exam required. This secondary test should be maintained alongside the trade study chapters for most licenses.

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Randomized Mixed Exam Across All Chapters

This longer exam randomizes questions every run and shows a chapter indicator on each question.