A support rail for luminaires or electrical units (60) has a support rail profile (50), which encloses an elongated receiving space, along with at least one busbar (55), arranged in the receiving space, with contactable conductors (58), wherein the support rail (50) further has, on its outside, display means (10) for visually representing the function of the conductors (58).

A ceiling connector assembly for mounting an article includes a ceiling connector configured to present an article-mounting end region below a downward facing ceiling surface, a canopy structure for locating on the mounting end region and configured to cover, at least in part, the mounting end region in a covering position, the canopy structure and the mounting end region each respectively including at least one first mounting structure and at least one second mounting structure, wherein when the first and second mounting structures are configured to enable the canopy structure to be removably mounted on the mounting end region in the covering position.

Disclosed is a grid lighting system having at least one housing segment with at least one lighting zone. At least one lighting module is selected from at least one track lighting module and/or at least one non-track lighting module. The at least one lighting zone extends along a first length dimension of the housing segment and including at least one first passage to receive the at least one track lighting module and/or non-track lighting module. The housing segment includes a first power supply segment to be coupled with a designated line voltage outlet to deliver line voltage power to the at least one lighting module in the at least one lighting zone. Each track lighting module includes a lighting subzone, with a second passage to receive one or more lighting submodules along a second length dimension. A second power supply segment is provided to couple with the first power supply segment to receive line power and to deliver low voltage to the one or more lighting submodules.

The present disclosure provides a direction adjustable LED lamp used in a sign, which includes a lamp body, two lamp holders arranged on an upper end and a lower end of the lamp body respectively, a plurality of LED modules installed on a surface of the lamp body, an outer casing installed in the lamp body, a buffer column installed on a surface of the outer casing, an isolated constant current driver installed in the outer casing, the lamp body defines a limit groove closing to the LED modules, and a horizontal plate is installed in the limit groove.

The present disclosure provides a direction adjustable LED lamp used in a sign, which includes a lamp body, two lamp holders arranged on an upper end and a lower end of the lamp body respectively, a plurality of LED modules installed on a surface of the lamp body, an outer casing installed in the lamp body, a buffer column installed on a surface of the outer casing, an isolated constant current driver installed in the outer casing, the lamp body defines a limit groove closing to the LED modules, and a horizontal plate is installed in the limit groove.

Example embodiments relate to luminaire heads with interconnecting interfaces. One example luminaire head including an interconnected interface for an electronic device includes a support layer and a cover layer arranged over the support layer. The support layer includes a plurality of electrical tracks arranged on a surface of the support layer and connectable to a power supply of the luminaire head. The support layer also includes a first electrical connector. The first electrical connector is connected to at least one of the plurality of electrical tracks and is suited for connecting to the electronic device. Further, the support layer includes a second electrical connector. The second electrical connector is directly connected to the first electrical connector via the at least one of the plurality of electrical tracks. An upper surface of the cover layer includes a first opening and at least one retaining means.

Example embodiments relate to luminaire heads with interconnecting interfaces. One example luminaire head including an interconnected interface for an electronic device includes a support layer and a cover layer arranged over the support layer. The support layer includes a plurality of electrical tracks arranged on a surface of the support layer and connectable to a power supply of the luminaire head. The support layer also includes a first electrical connector. The first electrical connector is connected to at least one of the plurality of electrical tracks and is suited for connecting to the electronic device. Further, the support layer includes a second electrical connector. The second electrical connector is directly connected to the first electrical connector via the at least one of the plurality of electrical tracks. An upper surface of the cover layer includes a first opening and at least one retaining means.

The invention relates to a system (10) for powering display devices (11) for displaying goods-related information, comprising an elongate base body (12) and at least one closure device (14). The main part (12) has a channel (16) for receiving the display devices (11), and the main part (12) has two end portions (18). Each end portion (18) has one of two channel (16) end portions (20) in which the display devices (11) can be received. The system (10) has at least two current conductors (21, 22) which are arranged in the channel (16), and a power supply contact (28) of each display device (11) can be contacted with a respective current conductors (21, 22) by receiving the display devices (11) in the channel (16). By connecting the closure device (14) to the end portion (18) of the main part (12), a respective supply line (32, 34) of the closure device (14) can be contacted with the current conductors (21, 22). The invention also relates to a goods presentation system and to a method.

The present disclosure provides implementations of a track lighting adapter to couple a luminaire to a lighting track. The track lighting adapter includes a luminaire adapter to couple to the luminaire, and a track adapter to couple to the lighting track. The track adapter is selectively removable from the luminaire adapter.

The present disclosure provides implementations of a track lighting adapter to couple a luminaire to a lighting track. The track lighting adapter includes a luminaire adapter to couple to the luminaire, and a track adapter to couple to the lighting track. The track adapter is selectively removable from the luminaire adapter.