"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 4218578 | RF Shield for an electronic component This disclosure relates to a housing or enclosure for an electronic component such as a hybrid module to provide RF shielding therefor. The RF shield has a gap separating two parts of the housing or enclosure to provide D.C. isolation between input and ou... | 08/19/1980 |
| 4204104 | Slide switch A row of three stationary electric contacts is mounted on an insulating base for a metal housing in which a bridging contact carried by an insulating slider is movable lengthwise of the row from a position bridging the middle stationary contact and either... | 05/20/1980 |
| 4198537 | Connector A connector for joining a flexible metallic raceway to an electrical enclosure comprising a nonconductive body portion having enclosure engaging means, raceway insertion limiting means and a protected conductor entrance throat and a conductive plate engag... | 04/15/1980 |
| 4107514 | Submersible thermostatically controlled heaters Instead of the usual glass case the heating element and thermostat of a submersible thermostatically controlled heater are disposed in separate cases made of metal and plastics respectively which are secured together in liquid-tight manner with the heatin... | 08/15/1978 |
| 4095073 | Switch and terminal assembly having strip terminal and mounting member adapted to ground dynamoelectric machine casing on similar conductive surface A switch and terminal assembly adapted to be mounted to a prime mover, such as a dynamoelectric machine or the like. The switch and terminal assembly includes a casing having a plurality of wall means, and a plurality of terminals is provided in the casin... | 06/13/1978 |
| 4090029 | Liquid tight connector with improved ground conductivity A liquid tight connector for joining a liquid tight flexible conduit to a junction box or panel and having improved ground continuity is provided. The connector includes a body member having a cast-on lug to which an external ground may be secured. To pro... | 05/16/1978 |
| 4082915 | Electrical junction box An electrical connection box. The box comprises a hollow, molded or cast housing having plural walls, at least one of which including an opening configured to receive an electrical conductor therethrough. Tightenable clamping means are disposed adjacent t... | 04/04/1978 |
| 4080644 | Rejection device for outdoor meter pedestal systems An apparatus for rejecting an improperly installed plug-on unit, including a circuit controlling device, in an electric power distribution and metering system having a box-like enclosure. A pair of supports are attached to opposing sides within the enclos... | 03/21/1978 |
| 4054767 | Switch terminal assembly having strip terminal and mounting member adapted to ground dynamoelectric machine casing on similar conductive surface A switch and terminal assembly adapted to be mounted to a structural component of a dynamoelectric machine by an electrical conductive mounting member. The assembly has a casing, and receiving means is provided through the casing for accommodating the mou... | 10/18/1977 |
| 4053701 | Grommet assembly for furniture articles A furniture article top includes a grommet assembly providing a restricted wiring access spaced inwardly from the furniture top edge. The grommet assembly includes a stationary segment and a slidably removable segment having a front edge normally positive... | 10/11/1977 |
| 4026619 | High capacity solderless bonding assembly for shielded cables An improved high-capacity solderless bonding assembly for shielded cables having a current carrying capacity in the order of 1,000 amperes for in excess of 15 seconds. The assembly includes a U-shaped metal strap of good conductivity material having one l... | 05/31/1977 |
| 4027094 | Connector housing A non-metallic housing for electrical and/or telephone connectors having wires extending therefrom. The housing includes a cap having a pair of separable externally threaded portions defining an aperture therebetween. Each portion carries a part of the th... | 05/31/1977 |
| 4022262 | Sealing locknut The sealing locknut is of the type commonly used for securing a conduit to an electrical junction box and is provided with a plurality of angular prongs or teeth about the circumference thereof adapted to bite into the metal of the junction box to obtain ... | 05/10/1977 |
| 4021604 | Flexible conduit connector A connector for affixing a flexible conduit having external helical grooves to an electrical junction box is disclosed. The connector comprises a stamped and formed metallic retaining clip in conjunction with a rigid housing. The clip engages the helical ... | 05/03/1977 |
| 4015070 | Signal distribution assembly and method for assembling An electrical signal distribution assembly for splitting an input signal into several output signals, comprising a uniquely constructed housing with integral connector shells and internal projections that fixedly hold a printed circuit board in place with... | 03/29/1977 |
| 4012578 | One piece connector for flexible conduit An improved one-piece connector clip for securing a helically grooved flexible electrical conduit within generally round apertures in a junction box is disclosed. The body of the clip comprises a plurality of generally flat sides and is provided with tabs... | 03/15/1977 |
| 4002869 | Automatic high voltage grounding device for personnel safety The grounding device shorts high voltages within a cabinet to cabinet ground when a cabinet access door is opened. The device includes a base plate secured to the top of the cabinet adjacent the latch side of the access door. A high voltage terminal board... | 01/11/1977 |
| 3992897 | Room air conditioner grounding clip An electrical grounding clip for grounding the outer casing of a room air conditioner to the base pan of the chassis in a manner to assure positive grounding contact upon the chassis being slidably inserted within the casing. The clip includes a U-shaped ... | 11/23/1976 |
| 3991264 | Terminal box for cables A terminal box for use with telephone cable systems has a housing formed of geometrically identical channels interfitted by tongue and groove edge portions. Within the housing, vertical brackets for terminal blocks are movable along U-shaped horizontal su... | 11/09/1976 |
| 3987344 | Plug-in module for electronic device having self-contained heat sink A small plug-in module includes a combined housing and heat sink, and plug-in terminals cooperating with mating terminals on a chassis. The module includes guiding structure to facilitate insertion of the module on the chassis, which may also form termina... | 10/19/1976 |
| 3981069 | Range-hood electrical wiring connection arrangement and method of connecting same A range-hood electrical wiring connection arrangement for use on canopy type range-hoods to facilitate one-man installation of the electrical power link-up. The incoming power cable is first mechanically coupled to a connection device and then the connect... | 09/21/1976 |
| 3961226 | Multi-terminal arrestor holder and connector module A multi-terminal arrestor holder and connector module provides electrical connection between telephone lines and telephone repeaters by means of a single body module which houses one three-electrode gas tube lightning protector for each pair of telephone ... | 06/01/1976 |
| 3949213 | Underwater light An underwater light is provided for use particularly with swimming pools, having fail-safe twin grounding connectors to prevent electrical grounding through the water in event of failure of one grounding connection.... | 04/06/1976 |
| 3939444 | Printed circuit mountable, self grounding, multiple filter module The disclosure relates to a filter module which is self groundable when mounted on a printed circuit board. The filter modules include a pair of ground planes mounted normal to each other and each secured to the ground sleeves of the filters and also to a... | 02/17/1976 |