Electrical apparatus for the detection of carbon monoxide in domestic premises. Electrical apparatus for continuous operation in a fixed installation in recreational vehicles and similar premises including recreational craft. Additional test methods and performance requirements|Warning devices, Domestic, Electrical equipment, Instructions for use, Electrically-operated devices, Domestic facilities, Labels, Carbon monoxide, Gas analysis, Gas detectors, Boats, Caravanettes, Battery-powered devices, Performance, Alarm systems, Performance testing, Safety devices, Caravans