§ 12–1101
Statutes in effect as of October 1, 2026.
Md. Code Ann., Pub. Safety § 12-1101 (2026)
Title 12. Building and Material Codes; Other Safety Provisions
Subtitle 11. Carbon Monoxide Alarms
§ 12–1101LinkCopy Citation
(a)
In this subtitle the following words have the meanings indicated.
(b)
“Carbon monoxide alarm” means a device that:
(1)
senses carbon monoxide;
(2)
when sensing carbon monoxide, is capable of emitting a distinct and audible sound;
(3)
is listed and carries the listing of a nationally recognized testing laboratory approved by the Office of the State Fire Marshal; and
(4)
(i)
is wired into an alternating current (AC) powerline with secondary battery backup; or
(ii)
for a hotel, a lodging or rooming house, or a rental dwelling unit:
(1)
is wired into an alternating current (AC) powerline with secondary battery backup;
(2)
is battery–powered, sealed, tamper resistant, and using a long–life battery that has a life of not less than 10 years; or
(3)
is connected to an on–site control unit that monitors the carbon monoxide alarm remotely so that a responsible party is alerted when the device activates the alarm signal and receives its primary power from a battery or the control unit.
(c)
(1)
“Dwelling” means a building or part of a building that provides living or sleeping facilities for one or more individuals.
(2)
“Dwelling” includes a one or two family dwelling, multifamily dwelling, hotel, lodging or rooming house, or dormitory.
(d)
“Hotel” has the meaning stated in § 9–201 of this article.
(e)
“Install” means to attach to the wall or ceiling of a dwelling in accordance with:
(1)
the National Fire Protection Association (NFPA) 720 standard for the installation of carbon monoxide warning equipment in dwelling units; and
(2)
the manufacturer’s recommendations.
(f)
“Lodging or rooming house” has the meaning stated in § 9–201 of this article.
(g)
“Rental dwelling unit” has the meaning stated in § 6–801 of the Environment Article.
(h)
“Sleeping area” has the meaning stated in § 9–101 of this article.