| 摘要 |
A base (1) for mounting thereon or therein any of an alerting device (2), a fire detector, or an alerting device (2) and a fire detector; the base (1) comprising a housing adapted to accommodate therein or thereon an alerting device (2) and to accommodate thereon or therein, or comprises, a fire detector base (10). The housing may comprise at least part of a locking arrangement for locking an alerting device (2) in place. This may comprise at least a part located at a part (6) of the housing that serves to accommodate thereon or therein, or comprises, the detector base (10). Also an alerting device (2), for example an audible alarm device, a visual alarm device, or a combined audible alarm and visual alarm device, which may comprise an external housing (46) that is of a cartridge or cassette form. Also a method of installing such a base. |
