An opening/closing mechanism of a cover member that can easily push down the cover member by the lever member even if the force from the base member side to the cover member is increased, improving the operability of the lever member. A solution is that the lever member 17 is rotatably supported to the base member 23 by the first shaft 31, the link plate 29 is mounted to the lever member 17 by the second shaft 32, the cover member 15 is mounted to the link plate 29 by the third shaft 33, and the link plate 29 is rotated around the axis of the first shaft 31 in the direction in which the lever member 17 closes, so that the link plate 29 moves through the second shaft 32, and the link plate 29 moves, so that the cover member 15 is depressed through the third shaft 33.

A kitchen appliance, including at least one kitchen appliance base and at least one preparation module is provided. The kitchen appliance base includes at least one electrical interface and at least one receiving region. The preparation module includes at least one electrical counter-interface for electrical contacting with the electrical interface. The electrical interface includes at least two power contacts and at least one auxiliary contact. The electrical counter-interface includes at least two power counter-contacts and at least one auxiliary counter-contact. In the kitchen appliance, the insertion forces for the electrical contacting for the user are reduced, are realized by the power contacts and the power counter-contacts, as well as the auxiliary contact and the auxiliary counter-contact being designed and configured such that the power contacts are electrically contacted with the power counter-contacts at a different point in time than is the auxiliary contact with the auxiliary counter-contact.

A mounting assembly for an electrical fixture has an upper unit and a lower unit. The upper unit includes a first portion of a detent mechanism and an upper contact for connection to a power source. The lower unit is configured for connection to an electrical fixture and includes a second portion of a detent mechanism and a lower contact for connection to the electrical fixture. When the lower unit engages the upper unit, the first portion and the second portion of the detent mechanism cooperate to releasably retain the upper unit and lower unit together and the upper contact and lower contact touch to create an electric pathway between the power source and the electrical fixture.

A watt-hour meter block adapter assembly includes a housing. The watt-hour meter block adapter assembly includes a blade supported by the housing. The blade includes a blade end and a jaw end. The blade includes a middle portion that extends from the blade end to the jaw end. The middle portion and blade end are rectangular in cross-section. An area of the rectangular cross-sectional area of the middle portion is greater than an area of the rectangular cross-sectional area of the blade end.

A lamp with hybrid connector is provided, which includes a lamp tube and two lamp caps. The lamp caps are disposed at the two ends of the lamp tube respectively. Each of the lamp caps includes an end surface, two first connection structures and two second connection structure. The end surface has a central point. The first connection structures are disposed on the end surface and are arranged to be symmetrical, about the central point, to each other. The second connection structures are corresponding to the first connection structures. The second connection structures are disposed on the end surface and are arranged to be symmetrical, about the central point, to each other. Since each of the lamp caps has a symmetrical connection structure, any one of the two ends of the lamp tube can be connected to another lamp tube in series.

A system to couple a controller to a roadside aerial lighting fixture includes a primary male connector integrated with the controller and a primary female connector integrated with the roadside aerial lighting fixture. The primary male and female connectors are compliant with a roadway area lighting standard promoted by a standards body. The primary male connector protrudes from a first substantially planar surface of the controller. The primary female connector is recessed within a second substantially planar surface of the roadside aerial lighting fixture. A controller-side data connector protrudes from the first substantially planar surface or a third surface substantially parallel to the first substantially planar surface. A fixture-side data connector is recessed within the second substantially planar surface or recessed within a fourth surface substantially parallel to the second substantially planar surface. When the controller is rotatably coupled to the roadside aerial lighting fixture, the primary male connector is electrically coupled to the primary female connector, and the controller-side data connector is communicatively coupled to the fixture-side data connector.

An opening/closing mechanism of a cover member that can easily push down the cover member by the lever member even if the force from the base member side to the cover member is increased, improving the operability of the lever member. A solution is that the lever member 17 is rotatably supported to the base member 23 by the first shaft 31, the link plate 29 is mounted to the lever member 17 by the second shaft 32, the cover member 15 is mounted to the link plate 29 by the third shaft 33, and the link plate 29 is rotated around the axis of the first shaft 31 in the direction in which the lever member 17 closes, so that the link plate 29 moves through the second shaft 32, and the link plate 29 moves, so that the cover member 15 is depressed through the third shaft 33.

A system for mounting a sensor on a construction machine is described. The system includes a sensor having a bottom interface and a base for mounting the sensor on a construction machine. The base includes a top interface for rotatably interlocking with the bottom interface of the sensor. The rotatably interlocking of the base with the bottom interface of the sensor causes one or more terminals of the bottom interface of the sensor to communicatively couple to corresponding terminals of the top interface of the base.

A system for mounting a sensor on a construction machine is described. The system includes a sensor having a bottom interface and a base for mounting the sensor on a construction machine. The base includes a top interface for rotatably interlocking with the bottom interface of the sensor. The rotatably interlocking of the base with the bottom interface of the sensor causes one or more terminals of the bottom interface of the sensor to communicatively couple to corresponding terminals of the top interface of the base.

A mounting assembly for an electrical fixture can include an upper unit and a lower unit that be releaseably retained together and including respective contacts that touch when the upper and lower units are retained together to create an electric pathway. The units can further include respective contacts for a neutral or ground connection. The assembly can also include a device in electrical contact with both of the contacts of the lower unit to draw power. The lower unit can also include a third contact and a power distribution circuit to deliver a level of electrical power to the third contact that is different than power available through the other contact of the lower unit. In a system of the mounting assemblies, each mounting assembly can include also include a transceiver to communicate with one another.