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 Nevada Administrative Code (Last Updated: January 6, 2015)
 Chapter624 Contractors
  CLASSIFICATIONS

  NAC624.380. Classification C-21: Refrigeration and air-conditioning; subclassifications.  

Latest version.

  •      1. The Board will grant to qualified applicants a license in the specialty of refrigeration and air-conditioning. The Board designates such a license as a “classification C-21” license. A person who holds a classification C-21 license may perform any of the work authorized for the subclassifications of the classification C-21 license.

         2. Work authorized by a classification C-21 license is not incidental or supplemental to the performance of any other work which may be performed by a specialty contractor.

         3. The subclassifications of the classification C-21 license and the work authorized for persons licensed in the respective subclassifications are:

         (a) REFRIGERATION (subclassification C-21a): The construction, erection and installation of devices, machinery and units for the control of air temperatures below 50°F 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.

         (b) AIR-CONDITIONING (subclassification C-21b): The installation, repair, service and maintenance of equipment, devices, machinery, units and related ductwork which use evaporation, refrigeration, boilers or combustion for the control of air temperatures in structures, including, without limitation, any humidity and thermostatic controls in connection with any such equipment, devices, machinery, units or ductwork.

         (c) SHEET METAL (subclassification C-21c): The fabrication and installation of sheet metal, including, without limitation, cornices, flashings, gutters, leaders, downspouts for rainwater, pans, food service equipment, ducts, louvres, patented chimneys, flues and metal roof systems, but not the fabrication or installation of equipment which uses refrigeration as an integral part of the system.

         (d) MAINTENANCE (subclassification C-21d): The repair and replacement of any parts of existing units or systems of air-conditioning and refrigeration, including the compressors, motors, relays, coils, heat exchangers and other appurtenances and equipment, but not the replacement of complete condenser assemblies on remote systems, air handlers or any work that may alter the design of an existing system.

         (e) SOLAR AIR-CONDITIONING (subclassification C-21e): The installation of the collectors, piping, storage and other equipment used in the conversion of solar energy to energy used for the control of air temperatures.

         (f) CHILLED AND HOT WATER SYSTEMS (subclassification C-21f): The installation of boilers, chillers, coils, cooling towers, piping, pumps, storage tanks, valves and other equipment used in the production and transfer of water for the control of temperatures.

         (g) INDUSTRIAL PIPING (subclassification C-21g): The fabrication, installation, repair and removal of piping and equipment used for the transmission of water, steam, gas, chemicals, food and other substances for industrial uses.

     (Added to NAC by Contractors’ Bd., eff. 8-26-83; A 7-2-84; 8-31-84; 1-22-86; 7-18-88; R091-07, 8-26-2008)

Notation

REVISER’S NOTE.

      The regulation of the State Contractors’ Board filed with the Secretary of State on August 26, 2008 (LCB File No. R091-07), which amended this section, contains the following provisions not included in NAC:

      “On August 26, 2008:

      1.  A person who holds a subclassification C-21b license issued pursuant to the former provisions of paragraph (b) of subsection 3 of NAC 624.380 shall be deemed to hold a subclassification C-21b license issued pursuant to the provisions of that paragraph as amended by the provisions of this regulation.

      2.  A person who holds a subclassification C-21c license issued pursuant to the former provisions of paragraph (c) of subsection 3 of NAC 624.380 shall be deemed to hold a subclassification C-21c license issued pursuant to the provisions of that paragraph as amended by the provisions of this regulation.

      3.  A person who holds a subclassification C-21f license issued pursuant to the former provisions of paragraph (f) of subsection 3 of NAC 624.380 shall be deemed to hold a subclassification C-21f license issued pursuant to the provisions of that paragraph as amended by the provisions of this regulation.

      4.  A person who holds a subclassification C-21g license issued pursuant to the former provisions of paragraph (g) of subsection 3 of NAC 624.380 shall be deemed to hold a subclassification C-21f license issued pursuant to the provisions of paragraph (f) of subsection 3 of NAC 624.380 as amended by the provisions of this regulation.”