Shutoff system for pool or spa

Details Shutoff system for pool or spa Shutoff system for pool or spa

2009-11-30

2010-12-28

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

C361S042000

Reexamination Certificate

active

07859813

ABSTRACT:
A control system for a bathing installation which has one or more electrically powered devices. A line voltage service is connected through a GFCI to power the electrically powered devices, the GFCI adapted to interrupt the service upon detection of a ground fault. A trip circuit may induce a ground fault and trip the GFCI in response to a trip signal, thereby disabling application of electrical power to the electrically powered devices. An electronic circuit is responsive to a fault condition for generating the trip signal.

REFERENCES:
patent: 4763365 (1988-08-01), Gerondale et al.
patent: 6643108 (2003-11-01), Cline et al.
patent: 6744254 (2004-06-01), Clarey et al.
patent: 7417834 (2008-08-01), Cline et al.
patent: 7626789 (2009-12-01), Cline et al.

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