designed to detect both the visible and invisible products of combustion;
designed with an alarm audible to a person in the bedrooms it serves; and
tested and listed for use as a smoke alarm by Underwriters Laboratories, Inc., Factory Mutual Research Corporation, or United States Testing Company, Inc.
If requested by a tenant as an accommodation for a person with a hearing-impairment disability or as required by law as a reasonable accommodation for a person with a hearing-impairment disability, a smoke alarm must, in addition to complying with Subsection (a), be capable of alerting a hearing-impaired person in the bedrooms it serves.
Except as provided by Section 92.255 (Installation and Location)(b), a smoke alarm may be powered by battery, alternating current, or other power source as required by local ordinance. The power system and installation procedure of a security device that is electrically operated rather than battery operated must comply with applicable local ordinances.Acts 1983, 68th Leg., p. 3650, ch. 576, Sec. 1, eff. Jan. 1, 1984. Amended by Acts 1987, 70th Leg., ch. 475, Sec. 2, eff. Sept. 1, 1987.Amended by:Acts 2009, 81st Leg., R.S., Ch. 824 (S.B. 1715), Sec. 2, eff. January 1, 2010.Acts 2011, 82nd Leg., R.S., Ch. 257 (H.B. 1168), Sec. 3, eff. September 1, 2011.