Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1994-05-16
1995-10-24
Swann, III, Glen
Communications: electrical
Condition responsive indicating system
Specific condition
340594, 340693, G08B 1706
Patent
active
054613671
ABSTRACT:
A fire alarm for an electric panel cabinet mounts a temperature sensor to monitor the internal cabinet temperature and sound an alarm if the inside of the cabinet becomes too hot. The alarm device preferably has an auxiliary battery power supply in case overheating within the cabinet causes a power failure. The alarm can be mounted remotely from the panel cabinet or directly, preferably by a threaded conduit nipple secured to an alarm enclosure box and mounted within a knockout opening in the panel wall.
REFERENCES:
patent: 4088986 (1978-05-01), Boucher
patent: 4698621 (1987-10-01), Masot
patent: 4712095 (1987-12-01), Georgis, II
patent: 4855721 (1989-08-01), Hallett et al.
patent: 4866427 (1989-09-01), Sciscoe
patent: 5072211 (1991-12-01), Clement
Altavela Edward T.
McComber, Jr. Glenn R.
Apex Power Systems, Inc.
Swann III Glen
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