Abstract: We disclose a method for securing an infrared transmissive polymer to integrated panels, deadfronts, or transition plates, thus providing a reinforced polymer window through which the thermographer can scan an energized unit without being directly exposed to contact with internal components or having to remove said panels, deadfronts, or transition plates. We also disclose a device for securing the polymer consisting of a retention frame with half shear retainers that keep the polymer locked in place.

Abstract: A fitting, for terminating an electrical cable having two or more conductors, includes a substantially tubular body having a central bore configured to receive the electrical cable therethrough. A substantially tubular sealing sleeve is configured to engage a forward end of the body during assembly of the fitting to receive the two or more conductors of the electrical cable passing through the body. After receiving the two or more conductors, the sealing sleeve is configured to receive a sealing compound therein, such that the sealing compound flows between the two or more conductors during filling of the sealing sleeve. The sealing sleeve is formed of a transparent material to enable visible confirmation of sealing compound distribution and a determination that the sealing compound is free of voids or air bubbles.

Abstract: A liquid-tight fitting comprising a ground element including a ferrule and a tube that extends from the ferrule to receive a conduit, wherein the tube includes one or more protruding elements that each protrudes from the tube and provides grounding to the conduit, and wherein the ferrule includes a lip portion; a threading element including a first shaft having a circumference sufficient to receive the ferrule portion, wherein the first shaft includes threads; a sealing ring including an opening defined by a tapered portion to seat against the lip portion; and a nut including threads to be received by the first shaft, wherein as the nut is threaded with the first shaft, the sealing ring is compressed onto an outer surface of the wall of the conduit based on a pulling of the nut against the sealing ring toward the lip portion of the ferrule.

Abstract: A switching assembly includes a first terminal and a second terminal, and a contactor connected to the first terminal, where the contactor includes a relay switch and a coil. The switching assembly further includes a first switch connected to the second terminal, and a a rectifier bridge connected in series between the contactor and the first switch. The switching assembly also includes a control unit configured to selectively apply a control signal to the coil to cause the relay switch to open or close based on a voltage measured at the first terminal or based on a voltage drop measured across the rectifier bridge.

Abstract: A switching assembly includes a first terminal and a second terminal, a first switch connected to the first terminal, and a second switch connected to the second terminal. The switching assembly further includes a rectifier bridge connected between the first switch and the second switch, and a third switch connected between the first terminal and the second terminal. The switching assembly also includes a control unit that selectively opens and closes the first switch, the second switch and the third switch, and selectively turns on and off the rectifier bridge.

Abstract: An electrical box extender includes a rectangular tube having a first pair of opposing sides and a second pair of opposing sides. The first pair of opposing sides and the second pair of opposing sides form a perimeter configured to fit within a single-gang electrical box. The electrical box extender also includes a set of flanges extending laterally from a front edge of the first pair of opposing sides. The set of flanges includes a male interlocking flange and a female interlocking flange. The male interlocking flange is configured to attach to another female interlocking flange of a substantially identical electrical box extender.

Abstract: The present invention provides a cable and box support plate which is a rectangular, flat plate with integral cable/conduit support member formed therewith. The cable/conduit support members are made from the same material as the remaining plate and formed by punching or stamping out the support members therein.

Abstract: A cable tie includes a body of a first material molded over at least one barb of a second material. The body includes a head section configured to secure the barb in a configuration that permits rotational movement of the barb, permit insertion of a tail section into the head section, and prevent extraction of the tail section from the head section by engagement of the barb. In one implementation, the cable tie is manufactured using a multi-shot molding process.

Abstract: We disclose a device for preventing the intrusion of water or other liquids into the interior of an automatic splice. The device includes of a series of fingers that contact the cable stranding and wick water away from the cable and out of the connector. These fingers could be integrally molded into the cable cone or molded as a separate piece and inserted. They could also be constructed of any typical brush material such as metal, plastic, rubber, or fiber. The fingers could be arranged in a variety of configurations.

Abstract: An electrical connector assembly may include a connector body having a conductor receiving end, a first connector end, and a visible open port. A contact assembly may extend axially within the connector body from the conductor receiving end to the first connector end. A conductive insert may be inserted into the visible open port. At least a portion of the contact assembly is visible through the visible open port prior to insertion of the conductive insert or following removal of the conductive insert. The portion of the contact assembly visible through the visible open port includes a first contact portion and a second contact portion separated by a gap. A portion of the conductive insert is received in the gap between the first contact portion and the second contact portion to allow current to flow from the second contact portion to the first contact portion upon insertion of the conductive insert into the visible open port.

Abstract: An electrical box includes a housing having a mounting plate and a housing body; and a cover rotatably mounted to the housing to cover a central opening in the mounting plate when the cover is in a closed configuration and to allow access to the central opening when the cover is in an open configuration. The housing body includes at least one chamber for receiving an electrical device mounted therein and for receiving a cable for connecting to the electrical device. The housing body is coupled to the mounting plate by a plurality of rib members to form a gap between the housing body and the mounting plate. The cover includes fluid directing elements that project downwardly from the cover and which are received within the gap between the housing body and the mounting plate when the cover is in the closed configuration.

Abstract: A new bushing for strain reducing electrical fittings is disclosed. The bushing increases the pull-out performance of the fitting by including a textured area where the bushing comes into contact with the cable. The textured area may be created by affixing solid particles to the bushing so that the friction between the bushing and cable is increased.

Abstract: An electrical connector assembly may include a connector body having a conductor receiving end, a first link interface, a second link interface, a first connector end, and a visible open port between the first link interface and the second link interface. The first link interface may be conductively coupled to the conductor receiving end and the second link interface may be spaced axially from the first link interface and conductively coupled to the first connector end. The first link interface and the second link interface are configured to receive a link assembly therein. An insulative material may be positioned within the connector body axially between the first link interface and the second link interface. At least a portion of the insulative material may be visible through the visible open port.

Abstract: A while-in-use electrical box cover with an improved hinge mount is provided that prevents damage to the box cover when the hood is overstressed in the open position. A hood attaches to the base of the box cover by way of a hood hinge mount and a base hinge mount. A hinge pin, or some variance thereof, is used to couple the hood hinge mount and base hinge mount while maintaining free rotation of the pin. Hinge mounts are located in multiple positions allowing for horizontal or vertical mounting options of the hood. Some of the hinge mounts comprise compressible slots to prevent undue stresses which could potentially damage the hood or the hinge mounts located on the hood and base.

Abstract: A convertible electrical floor box assembly for installation in a poured concrete floor that includes a non-metallic floor box and a metallic outer box. The non-metallic floor box includes a base plate, a perimetrical side wall with one or more openings for accessing the interior, an open top, a mating structure and an internal support structure for receiving a voltage divider. The metallic outer box includes a base plate, a perimetrical side wall with one or more apertures for accessing the interior, an open top and a mating structure. The non-metallic floor box is adapted for installation in a concrete floor or it can be used together with the metallic outer box as an assembly that is adapted for installation in a concrete floor by inserting the non-metallic floor box in the metallic outer box so that the openings and apertures are aligned.

Abstract: A status indicator includes a display disc with a pin located within a central portion if the display disc, a first colored section, and a second colored section. The status indicator also includes a lens unit with an opaque section and a non-opaque section to alternately reveal the first colored section or the second colored section such that either the first or the second colored section is visible from any angle within a hemisphere below the status indicator. The status indicator also includes an indicator cam configured to receive a linear force initiated by an actuator component and to translate the linear force to a rotational force on the pin. The rotational force causes the display disc to rotate from a first position to a second position that aligns the second colored section with the non-opaque section.

Abstract: A cable tie includes a band of one material and a pawl of a different material. The pawl has a stem region and a securing region, wherein the securing region includes at least one barb and a stabilizing surface opposite the at least one barb. The band includes a head section and a tail section that may be inserted through the head section to secure a load. The head section includes a base section into which at least a portion of the stem region of the pawl is inserted, and an insertion channel to receive the tail section, wherein at least a portion of the pawl extends into the insertion channel. When a load is exerted to remove the tail section from the insertion channel, the barb engages the tail section and the stabilizing surface contacts a wall of the insertion channel to prevent bending of the pawl.

Abstract: A voltage indicating assembly for medium and high voltage systems includes a semiconductive cap configured for mounting on a test point, the test point including a test point terminal element configured to capacitively receive a voltage associated with a electrical component, where the electrical component is mounted in a first location. The semiconductive cap includes a contact element mounted therein configured to electrically communicate with the test point terminal element when the semiconductive cap is mounted on the test point. A cable is electrically coupled to the contact element. A remote test point assembly is electrically coupled to the cable in a second location remote from the first location, and the remote test point assembly includes a remote test point terminal element.

Abstract: An electrical box cover includes a frame securable to an electrical box. The frame defines an opening to permit access to the electrical box. A lid is pivotally mounted to the frame and movable between an open and closed position. A lid biasing device is disposed between the lid and the frame, the lid biasing device urging the lid away from the closed position. A latch is disposed on the frame and movable between a latched and unlatched position. The latch, when in the latched position, engages the lid and retaining the lid in the closed position. When the latch is in the unlatched position, the lid biasing device lifts at least a portion of the lid at least partially above the frame.

Abstract: A magnetic actuator includes a coil bobbin that has electrical wire wound around a core. The magnetic actuator also includes a plunger located in a central portion of the magnetic actuator and configured to move within a bore located in the central portion, and at least one spring located adjacent the central portion. When electrical current is provided to the electrical wire, an electromagnetic field causes the plunger to move from a first position to a second position, and stored energy associated with the spring aids in moving the plunger to the second position. The magnetic actuator further includes a linking portion coupled to the plunger, wherein the linking portion is configured to initiate an action based on movement of the plunger.