CARBON MONOXIDE ALARMS
(1) Every building having a fossil-fuel-burning heater or appliance, a fireplace, or an attached garage shall have an operational carbon monoxide alarm installed within 10 feet of each room used for sleeping purposes.
(2) Power Source: In new construction, alarms shall receive their primary power from the building wiring when such wiring is served from a commercial source. Such alarms shall have battery back up.
(3) Combination alarms: Combination smoke/carbon monoxide alarms shall be permitted if each meets the applicable UL standard.
Definitions:
(a) CARBON MONOXIDE ALARM. A device for the purpose of detecting carbon monoxide, that produces a distinct audible alarm, and is listed by the appropriate standard, either ANSI/UL 2034, Standard for Single and Multiple Station CO Alarms, or UL 2075, Gas and Vapor Detector Sensor, in accordance with its application.
(b) FOSSIL FUEL. Coal, kerosene, oil, fuel gases, or other petroleum or hydrocarbon product that emits carbon monoxide as a by-product of combustion.