Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific circuit breaker or control structure
Patent
1999-02-09
2000-05-02
Sherry, Michael J.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific circuit breaker or control structure
361636, 361655, 361656, H02B 120
Patent
active
060580011
ABSTRACT:
A circuit breaker system designed for three-phase, four-wire, delta-connected electric panelboards or loadcenters allows users to derive 120 volts from vacant full size higher voltage leg bus spaces. Two independently operating circuit breakers arranged side by side, in a "side-car" configuration, allows both breakers to electrically connect with a 120 volt bus while positioning one breaker in a vacant full size high leg bus space. The use of an electrically conductive bridge running between the breakers allows the second breaker to be positioned in a vacant high leg pole or full size space while receiving 120 volts from the first breaker. The result provides the user with a breaker in a full size vacant high leg space that can be used to power 120 volt to neutral circuits. This system is capable of providing additional 120 volt circuits in a cost-effective manner without violating the National Electric Code.
REFERENCES:
patent: 4251851 (1981-02-01), Diersing et al.
patent: 4929919 (1990-05-01), Link et al.
McComber Scott E.
McComber, Sr. Glenn R.
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