A fixing structure for an electrical device of the present invention includes: a first operating unit that has a power receiving unit, which receives power feeding from a power feeding unit of a wiring duct, and that engages and disengages the power receiving unit with and from the power feeding unit; a second operating unit that has a second engagement portion, which is supported by a support unit of the wiring duct, and that engages and disengages the second engagement portion with and from the support unit; and a first lock portion that is provided in the first operating unit and locks the second operating unit.

A fixing structure for an electrical device of the present invention includes: a first operating unit that has a power receiving unit, which receives power feeding from a power feeding unit of a wiring duct, and that engages and disengages the power receiving unit with and from the power feeding unit; a second operating unit that has a second engagement portion, which is supported by a support unit of the wiring duct, and that engages and disengages the second engagement portion with and from the support unit; and a first lock portion that is provided in the first operating unit and locks the second operating unit.

A DJ booth for use at events or functions including: a housing; the housing contains sound processing equipment and at least one loudspeaker; and the housing includes wheels at its base for moving the DJ booth across a ground surface. In some embodiments the housing has the outer appearance of a large tape cassette player and further includes a retractable gantry portion which has the appearance of a handle of the tape cassette player.

A DJ booth for use at events or functions including: a housing; the housing contains sound processing equipment and at least one loudspeaker; and the housing includes wheels at its base for moving the DJ booth across a ground surface. In some embodiments the housing has the outer appearance of a large tape cassette player and further includes a retractable gantry portion which has the appearance of a handle of the tape cassette player.

A lighting apparatus includes a light source module, an internal housing, an exterior housing and a sliding track. The light source module including a LED module. The LED module may include multiple types of LED chips of different parameters that may be controlled to mix a desired parameter. The internal housing has a light opening and a protruding block. The light source module is fixed to the internal housing and a light of the LED module passes through the light opening. An exterior housing having a sliding groove. The exterior housing encloses the internal housing and allows the protruding block of the internal housing moving along the sliding groove to change a tilt angle of the light with respect to the exterior housing. The sliding track is used for the exterior housing to move along the sliding track for further adjusting an output direction of the light.

A lighting apparatus includes a light source module, an internal housing, an exterior housing and a sliding track. The light source module including a LED module. The LED module may include multiple types of LED chips of different parameters that may be controlled to mix a desired parameter. The internal housing has a light opening and a protruding block. The light source module is fixed to the internal housing and a light of the LED module passes through the light opening. An exterior housing having a sliding groove. The exterior housing encloses the internal housing and allows the protruding block of the internal housing moving along the sliding groove to change a tilt angle of the light with respect to the exterior housing. The sliding track is used for the exterior housing to move along the sliding track for further adjusting an output direction of the light.

The disclosure discloses a lamp and a lamp assembly. The lamp has a splicing structure and a connecting side, the splicing structure is arranged on the connecting side, the splicing structure includes a first clamping groove and a second clamping groove extending in a same direction, and a notch of the first clamping groove and a notch of the second clamping groove face in opposite directions. Two lamps can be spliced through a lamp connecting module to form a lamp assembly. The lamp connecting module includes a first lamp connector and a second lamp connector, each first lamp connector can be clamped with two first clamping grooves of the two lamps at the same time, each second lamp connector can be clamped with two second clamping grooves of the two lamps at the same time, and the first lamp connector is detachably fixed with the second lamp connector.

A high-durability tri-proof lamp with color temperature adjustment function is provided, which includes a lamp housing, a movable support plate, a circuit board and a driving power source. The lamp housing has two connection holes and a guiding groove. The lamp housing is hollow and has a chamber; the connection holes are disposed at the two ends of the lamp housing. The guiding groove includes two lateral guiding slots disposed at the two sides of the chamber. The movable support plate is disposed in the chamber. One side of the movable support plate and the other side thereof are inserted into the lateral guiding slots, such that the movable support plate is able to move along the guiding groove. The circuit board is disposed in the chamber and connected to the movable support plate. The driving power source is disposed on and electrically connected to the circuit board.

A high-durability tri-proof lamp with color temperature adjustment function is provided, which includes a lamp housing, a movable support plate, a circuit board and a driving power source. The lamp housing has two connection holes and a guiding groove. The lamp housing is hollow and has a chamber; the connection holes are disposed at the two ends of the lamp housing. The guiding groove includes two lateral guiding slots disposed at the two sides of the chamber. The movable support plate is disposed in the chamber. One side of the movable support plate and the other side thereof are inserted into the lateral guiding slots, such that the movable support plate is able to move along the guiding groove. The circuit board is disposed in the chamber and connected to the movable support plate. The driving power source is disposed on and electrically connected to the circuit board.

A DIN rail mounting adapter configured for removable attachment to a DIN rail including first and second pairs of spaced-apart supports. In example embodiments, one of the supports includes one or more openings formed therethrough for receiving a component or assembly, such as an LED light assembly. In example embodiments, another one of the supports includes at least one engagement feature configured for removable attachment with a DIN rail.