A detector includes an enclosure having a side wall, a sensor array positioned in an enclosed portion of the enclosure, a controller connected to the sensor array and positioned in the enclosure, with the controller being connected to a first electrical connector within the enclosure, a second electrical connector positioned external to the side wall, with the first and second electrical connectors being removably connected to each other through the side wall, and a third electrical connector in electrical communication with the second electrical connector, with the third electrical connector configured to contact a fourth electrical connector of an energy storage device.

A detector includes an enclosure having a side wall, a sensor array positioned in an enclosed portion of the enclosure, a controller connected to the sensor array and positioned in the enclosure, with the controller being connected to a first electrical connector within the enclosure, a second electrical connector positioned external to the side wall, with the first and second electrical connectors being removably connected to each other through the side wall, and a third electrical connector in electrical communication with the second electrical connector, with the third electrical connector configured to contact a fourth electrical connector of an energy storage device.

A lighted artificial tree includes a first tree portion including a first trunk portion, first branches joined to the first trunk portion, and a first light string. The first trunk portion has a trunk connector and a first trunk wiring assembly, the first trunk wiring assembly is electrically connectable to the first light string and the trunk connector, and at least a portion of the first wiring assembly is located inside the first portion. The second tree portion includes a second trunk portion, second branches, and a second light string. The second trunk portion has a trunk connector and a second trunk wiring assembly, the second trunk wiring assembly electrically connectable to the second lighting string and the trunk connector. The second tree portion may be mechanically coupled and electrically connected to the first tree portion by coaxially coupling the first trunk portion to the second trunk portion.

A lighted artificial tree includes a first tree portion including a first trunk portion, first branches joined to the first trunk portion, and a first light string. The first trunk portion has a trunk connector and a first trunk wiring assembly, the first trunk wiring assembly is electrically connectable to the first light string and the trunk connector, and at least a portion of the first wiring assembly is located inside the first portion. The second tree portion includes a second trunk portion, second branches, and a second light string. The second trunk portion has a trunk connector and a second trunk wiring assembly, the second trunk wiring assembly electrically connectable to the second lighting string and the trunk connector. The second tree portion may be mechanically coupled and electrically connected to the first tree portion by coaxially coupling the first trunk portion to the second trunk portion.

A decorative light string including a first group of light elements electrically connected in parallel to each other, a second plurality of light elements electrically connected in parallel to each other, and a third plurality of light elements electrically connected in parallel to each other. The first, second, and third groups of lights are electrically connected in series. A first wire stabilizer is located between the first group of lights and the second group of lights, and a second wire stabilizer is located between the second group of lights and the third group of lights. The first and second wire stabilizers secure wire ends forming first and second gaps in the wiring of the light string.

A decorative light string including a first group of light elements electrically connected in parallel to each other, a second plurality of light elements electrically connected in parallel to each other, and a third plurality of light elements electrically connected in parallel to each other. The first, second, and third groups of lights are electrically connected in series. A first wire stabilizer is located between the first group of lights and the second group of lights, and a second wire stabilizer is located between the second group of lights and the third group of lights. The first and second wire stabilizers secure wire ends forming first and second gaps in the wiring of the light string.

A structural connector system for providing an electrical connection between electronic componentry is disclosed. The structural connector system includes a structural member, including an electrically insulating matrix, an electrically conducting path, a first end surface, a second end surface, and a first component engaging surface. The first component engaging surface includes a first mechanical coupler configured to mechanically couple a first electronic component or a first chassis component to the structural member and a first electrical coupler configured to electrically couple the first electronic component or the first chassis component to a first end of the electrically conducting path. The structural member further includes a second component engaging surface that includes a second mechanical coupler and a second electrical coupler configured to electrically couple the first electronic component, the first chassis component, the second electronic component, or the second chassis component to a second end of the electrically conducting path.

A structural connector system for providing an electrical connection between electronic componentry is disclosed. The structural connector system includes a structural member, including an electrically insulating matrix, an electrically conducting path, a first end surface, a second end surface, and a first component engaging surface. The first component engaging surface includes a first mechanical coupler configured to mechanically couple a first electronic component or a first chassis component to the structural member and a first electrical coupler configured to electrically couple the first electronic component or the first chassis component to a first end of the electrically conducting path. The structural member further includes a second component engaging surface that includes a second mechanical coupler and a second electrical coupler configured to electrically couple the first electronic component, the first chassis component, the second electronic component, or the second chassis component to a second end of the electrically conducting path.

An anchor for a support member of a track system may include an anchor body and a toothed anchor portion. The anchor body may be connectable to said support member. The toothed anchor portion may include a plurality of anchor teeth configured to engage a plurality of track teeth of a toothed portion of a track assembly. The anchor body and the toothed anchor portion may be connected to one another to collectively form a hook portion configured to engage said toothed portion of said track assembly. At least a subset of anchor teeth of the plurality of anchor teeth may be disposed one after another in a curved or angled configuration to define a curved or angled row of anchor teeth.

An anchor for a support member of a track system may include an anchor body and a toothed anchor portion. The anchor body may be connectable to said support member. The toothed anchor portion may include a plurality of anchor teeth configured to engage a plurality of track teeth of a toothed portion of a track assembly. The anchor body and the toothed anchor portion may be connected to one another to collectively form a hook portion configured to engage said toothed portion of said track assembly. At least a subset of anchor teeth of the plurality of anchor teeth may be disposed one after another in a curved or angled configuration to define a curved or angled row of anchor teeth.