1.1 These requirements cover humidifiers rated 600 V or less, andintended to be used in accordance with the National Electrical Code(NEC), ANSI/NFPA 70, and the Rules of the Canadian Electrical Code(CEC), Part 1, C22.1.
1.2 These requirements cover humidifiers intended for residential andcommercial use. This includes humidifiers of the centrifugal atomizingtype, evaporative-media type, water-injection type, steam type, and thelike. The humidifiers may be for installation in a room, mounted on awall or a ceiling, or for duct or plenum mounting.
1.3 These requirements apply to equipment that includes an electricheating element to heat air or water, or both.
1.4 These requirements do not apply to evaporative coolers that arealso intended to be used for cooling.
1.5 These requirements do not apply to portable, electrode-typeproducts, such as vaporizers, which are covered by the Standard forElectric Heating Appliances, UL 499, and the CSA Standard forHousehold Cooking and Liquid-Heating Appliances, CAN/CSA-C22.2No. 64.
- Edition:
- 4th
- Published:
- 11/07/2001
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