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| Number | Title | Issue Date |
| 5204803 | Neutral system for electric distribution panelboard An insulated neutral bus has a base, top and conductive bus therebetween. Ribs extend from the base and frictionally engage ribs extending from the top. A recess is preferably provided in the bus so that the bus may fit behind a removable panelboard inter... | 04/20/1993 |
| 5184280 | Power rectifier with flexible stacked sheave bus bar for high current carrying connections A bus bar comprised of a layered stack of flexible conductive planar leaf conductors, with sufficient cross-sectional current carrying capacity, is used in a bulk rectifier for conducting heavy currents between components. The bus bar is amenable to being... | 02/02/1993 |
| 5179491 | Plug-in circuit breaker A plug-in ground fault interrupting type circuit breaker includes a resilient jaw for engaging the neutral bar in a loadcenter. The jaw is formed at the end of a conductive strap which passes through the window of a transformer and terminates in a screw t... | 01/12/1993 |
| 5172300 | Electric power distribution panelboard-switchboard assembly A combination panelboard-switchboard housing accepts plug-on connection with a plurality of modular electric switch-circuit breaker enclosures. The modular enclosure accepts circuit breakers or electric switches which can be field-installed with minor alt... | 12/15/1992 |
| 5166861 | Circuit breaker switchboard A switchboard for mounting and supplying electrical power to a plurality of circuit breakers. The switchboard comprises a frame including a center mounting pan, and at least first and second circuit breaker mounting pans for engaging and supporting the re... | 11/24/1992 |
| 5166860 | Metal-encased modular medium-voltage distribution system Metal-encased modular medium-voltage distribution system with one or more sections constructed of compartmental modules having components of the distribution system and each section having at least one first busbar system for internal section connection i... | 11/24/1992 |
| 5140499 | Gas-insulated switching device A gas-insulated switching device includes a bus bar-connecting conductor, within a cylindrical container, which connects one end of a circuit breaker portion, disposed wihtin the container, to a main bus bar mounted on the outer side of the container. The... | 08/18/1992 |
| 5119268 | Electric distribution device An electric power distribution device for insulated conductors has a substantially rigid base, a housing, and at least one series of spaced apart support blocks for supporting such conductors at intermittent positions along their length. The support block... | 06/02/1992 |
| 5053919 | Loadcenter "plug-in" surge protector Adding "plug in" surge protective devices, particularly in loadcenters already installed and in use, reduces the number of "stab spaces" available for circuit breakers. A breaker may be combined with a surgeprotector, both connected in parallel to a "stab... | 10/01/1991 |
| 5006958 | Gas insulation switchgear In a gas insulation switchgear, an earthed tank 40 contains only a circuit breaker 1; and current transformers 3, 3 to be disposed adjacent to the circuit breaker 1 for detecting over current, are provided in expansion joints 80, 80 to make a length L | 04/09/1991 |
| 4962443 | Improved residential loadcenter An electrical consumer unit comprises a moulded plastics baseplate (10) and a cover member (280), the baseplate (10) being adapted to mount a live busbar (24) and a neutral bar (90) to which a main, power-supply switch (196) and a plurality of circuit-bre... | 10/09/1990 |
| 4931898 | Loadcenter busbar retention An electrical consumer unit comprises a moulded plastics baseplate (10) and a cover member (280), the baseplate (10) being adapted to mount a live busbar (24) and a neutral bar (90) to which a main, power-supply switch (196) and a plurality of circuit-bre... | 06/05/1990 |
| 4931902 | Bushbar barrier protective members An electrical consumer unit comprises a moulded plastics baseplate (10) and a cover member (280), the baseplate (10) being adapted to mount a live busbar (24) and a neutral bar (90) to which a main, power-supply switch (196) and a plurality of circuit-bre... | 06/05/1990 |
| 4890193 | Gas-insulated switchgear equipment Gas-insulated switchgear equipment includes a plurality of vertical-type circuit breakers electrically connected in series, and outside led-out devices connected to connected portions of a series connection of the circuit breakers and at least one main bu... | 12/26/1989 |
| 4870542 | Power distribution panelboard Plug-on enclosed fusible switches, enclosed lug devices and non-enclosed molded case circuit breakers are attached to a panelboard in a single or side-by-side double row. Spring biased latches retain the devices to the panelboard. Locating notches on the ... | 09/26/1989 |
| 4809153 | Low-inductance bus bar arrangement A low-inductance bus bar arrangement includes at least n+1 individual bus bars for establishing a quick connection of modular components of n dependent circuits. The n+1 individual bus bars are stacked upon each other and are electrically separated from e... | 02/28/1989 |
| 4802059 | Multiple low-voltage circuit breaker having bus bars In a low-voltage circuit breaker, terminal points for connecting contact arrangements to stationary bus bars are provided. Between the terminal points and the stationary bus bars, connecting bars are arranged which are braced relative to the housing of th... | 01/31/1989 |
| 4785377 | Insulated neutral tie strap An insulating tie strap for supporting conductor bars in a load center including an insulating support member including a center body portion defining a center axis, and two end portions. Each end portion includes a mounting pad having an opening for acce... | 11/15/1988 |
| 4733329 | Three-phase load center A three-phase load center which has a base pan including a first and a second bus bar for a first and a second phase. The bus bars are positioned on the top surface of the base pan. A third bar for a third phase is positioned beneath the base pan such tha... | 03/22/1988 |
| 4724513 | Method of retaining molded case circuit breakers Molded case circuit breakers having rear mounted line connectors are provided with retainer clips and plates to prevent easy removal of the breakers from electric panel box load stab connectors. The breakers can be removed for replacement however, without... | 02/09/1988 |
| 4695923 | Printed circuit board bolt-on power distribution system A bolt-on configuration of a power distribution system utilizes an apparatus which connects a first element to a second element, the second element having a hole, such that a minimum predetermined force exists at the connection between the first element a... | 09/22/1987 |
| 4636915 | Fastener having dual teeth A plastic fastener assembly is provided which has a base with an upstanding stab which has a single first tooth formed on one side of the stab and at least one second tooth formed on the opposite side of the stab. A cover defines an opening for receiving ... | 01/13/1987 |
| 4602313 | Control center with vertical control bus device A power control apparatus for distributing power to electrical loads. The apparatus contains in a casing a plurality of vertically arranged control units. In the casing, there are provided bus conductors for power source to feed electric power to each of ... | 07/22/1986 |
| 4599679 | Fuse bus bar assembly Fuse panel or bus bar assemblies for supporting a plurality of fuses within an automotive electrical system. The bus bar assembly is characterized by its rugged simplicity, enabling the simultaneous support of as many as 20 fuses. A non-conductive housing... | 07/08/1986 |
| 4536823 | Electric panel board having an improved extruded base pan configuration An improved panel board construction is described, including an extruded insulative base pan which slidably engages at least one main-line bus bar and a neutral connector element and which has a plurality of electrical contact points. The base pan also pr... | 08/20/1985 |
| 4481388 | Electrical plug with automatic shut-off feature An electrical plug comprises a plug body which houses two or more electrical terminals for connection to electrical cables, at least one of the terminals being conductively connectable and disconnectable from its respective contact pin. To achieve this, t... | 11/06/1984 |
| 4463408 | Two-high motor control center with staggered cubicles A motor control center of the high voltage type which includes a set of three vertically-disposed cubicles. The two lower cubicles house a pair of contactor assemblies, the lowermost contactor assembly being longer than the upper one. The cubicle enclosin... | 07/31/1984 |
| 4425598 | Electric power distribution panel An electric power distribution panel having a container with an open portion. The container includes a number of openings through the same for the mounting of electrical receptacles. At least one member spans the opposing wall portions of the container an... | 01/10/1984 |
| 4413306 | Tamper prevention housing for a watt-hour meter and overload protected switch A tamper prevention housing assembly for mounting on a standard panelboard chassis, enclosing at least one watt-hour meter and its overload-protected switch arranged in a secure sequence between the bus bars of the panelboard chassis and the output termin... | 11/01/1983 |
| 4410760 | Means for supporting a bus bar in switchboard housing apparatus Switchboard apparatus includes means for supporting a bus bar including an elongated steel member having at least one bolt hole therethrough, the steel member being coated with an insulative material. A pair of formed washers of protective material are ad... | 10/18/1983 |
| 4360857 | Modular insulative support base for electrical switchgear A switchgear construction utilizes improved modular bases to serve as individual, insulative backwalls for the stacked array of cubicles in a vertical switchgear section. The back sides of the bases, assembled to the switchgear frame in end-to-end vertica... | 11/23/1982 |
| 4327396 | Combination of electrical meter socket column and panelboard for conversion to individual tenant metering Conversions to multiple electrical energy metering, in which a group of meters must be installed near an existing panelboard containing circuits for several apartments present problems, especially when the new meter column must be installed on a brick ven... | 04/27/1982 |
| 4301493 | Insulator mounting for panelboard The following specification describes a panelboard assembly comprising a plurality of modular insulators having spaced integrally formed resilient mounting rails for supporting a circuit breaker housing above the panelboard bus bars. Each circuit breaker ... | 11/17/1981 |
| 4298771 | Bolted/welded joint and method of perfecting same In an electrical switchboard, the body of an aluminum connector is welded to a riser bus. Bolts clamp a horizontal busbar in electrical connection with the connector body and, at the same time, fixture the horizontal busbar with a projection of the connec... | 11/03/1981 |
| 4288656 | Bolted/welded joint for switchboard run-in connector In an electrical switchboard, an aluminum run-in connector is formed in an L-shaped configuration having a vertically oriented segment and a horizontally oriented segment extending inwardly to a termination where electrical connection to a device terminal... | 09/08/1981 |
| 4251851 | Panelboard assembly The following specification describes a panelboard assembly comprising a plurality of modular insulators each having an integrally formed resilient bead for engaging a circuit breaker housing recess to support a circuit breaker. A tongue on each insulator... | 02/17/1981 |
| 4203146 | Multiple metering panelboard assembly A multiple metering panelboard has an enclosure accommodating a plurality of watt-hour meter sections. Each section includes a molded plastic meter socket base and a molded plastic circuit breaker base mounted in interconnected relation to the enclosure i... | 05/13/1980 |
| 4180846 | Vertical bus bars for motor control center Vertical bus bars for motor control centers characterized by elongated metal conductors having a Zee-shape cross section for use in an upright cabinet type of motor control center in which electrical connection is made by plugging apparatus onto the bus b... | 12/25/1979 |
| 4167769 | Panelboard having distributed neutral A panelboard is constructed with a line terminal array in a row midway between mechanical parallel elongated support means for the circuit breaker load ends. Disposed outboard of and extending parallel to each support means is an elongated neutral bar hav... | 09/11/1979 |
| 4109293 | Tubular conductor for metal clad switchgear A hollow, cylindrical, copper, tubular conductor is taught. One end of the tubular conductor is beveled or rounded off for convenient insertion into a fingered circular disconnecting contact for circuit interrupter apparatus. The other end of the tubular ... | 08/22/1978 |
