As used in this chapter:
(1) “Single-family dwelling” means any building or structure in which a family, families, or households reside that contains sleeping facilities and is not otherwise classified as a “public building” as defined in 20 V.S.A. § 2730(a) or as a “condominium” or “multiple unit dwelling” as defined in 20 V.S.A. § 2729(d).
(2) “Smoke alarm” means a device that detects visible or invisible particles of combustion and sounds a warning alarm, is operated from a power supply within the unit or wired to it from an outside source, and is approved or listed for the purpose by Underwriters Laboratory or by another nationally recognized independent testing laboratory.
(3) “Carbon monoxide alarm” means a device with an assembly that incorporates a sensor control component and an alarm notification that detects elevations in carbon monoxide levels and sounds a warning alarm, is operated from a power supply within the unit or wired to it from an outside source, and is approved or listed for the purpose by Underwriters Laboratory or by another nationally recognized independent testing laboratory.