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C-21A Refrigeration Contractor (2018-03-29)
The construction, erection and installation of devices, machinery and units for the control of air temperatures below 50oF in refrigerators, refrigerated rooms and insulated spaces, and installation of any related insulation, ducts, blowers, registers, controls over humidity and thermostatic controls, lines for supplying natural gas from the unit to the point of connection in the existing line for natural gas at the meter or at any point thereafter, electrical service from the unit’s device to protect against excessive current to the main electrical panel, but not the installation of other gas or electric services for the devices, machinery or units.
70% Minimum Passing Score
Closed Book These books are for pre-test study only and are not available for use during the test.
Modern Refrigeration and Air Conditioning is the HVACR standard for a new generation of learner. Whether you're in a digital or print, on-ground or hybrid environment, this integrated learning solution will engage students with resource elements including textbook content, an online learning platform, video clips, narrated animations, digital activities, questions, and hands-on lab activities to assess and to reinforce learning based upon the original HVACR industry standard.
Publication Year: 2019
All Federal Construction Regulations (29 CFR 1926) are included in this “perfect bound” book in an easy-to-read, two-color layout.
All 29 CFR 1926 regulations for construction industry are included along with the following items:
29 CFR 1903 regulations covering inspections, citations, and penalties
29 CFR 1904 regulations covering recording and reporting occupational injuries and illnesses
OSHA keyword dictionary
Easy to find OSHA interpretations
Uniform Mechanical Code 2012 provides complete requirements for the installation and maintenance of heating, ventilating, cooling and refrigeration systems, while at the same time allowing latitude for innovations and new technologies.