A luminaire and optical system are provided. The luminaire includes a head and power circuits configured to provide electrical power to electrical circuits of the head. The head includes an optical system with a light source support plate, a support structure movably coupled to the light source support plate, and a lens support assembly removably coupled to the support structure. The light source support plate includes LED light sources, each configured to emit a light beam. The support structure includes a plurality of apertures, configured to pass the light beam from the LED light sources without modifying the light beam. The lens support assembly includes lenses, each aligned with an optical axis of one of the LED light sources when the lens support assembly is coupled to the support structure. The lens support assembly is removable from the head without removing the support structure from the head.

A luminaire and optical system are provided. The luminaire includes a head and power circuits configured to provide electrical power to electrical circuits of the head. The head includes an optical system with a light source support plate, a support structure movably coupled to the light source support plate, and a lens support assembly removably coupled to the support structure. The light source support plate includes LED light sources, each configured to emit a light beam. The support structure includes a plurality of apertures, configured to pass the light beam from the LED light sources without modifying the light beam. The lens support assembly includes lenses, each aligned with an optical axis of one of the LED light sources when the lens support assembly is coupled to the support structure. The lens support assembly is removable from the head without removing the support structure from the head.

A light includes a housing having an upper portion and a lower portion. The lower portion defines a battery port. The light also includes a heat sink extending upward from the lower portion. The heat sink includes a body defining a central aperture that extends along a central axis, a plurality of light support surfaces arranged around a perimeter of the body, and a top support member attached to tops of the plurality of light support surfaces. The light further includes a first plurality of LEDs coupled to the plurality of light support surfaces to emit light in a 360 degree pattern, a second plurality of LEDs supported on a surface of the top support member that is perpendicular to the plurality of light support surfaces, and a battery pack received in the battery port to power the first plurality of LEDs and the second plurality of LEDs.

A light includes a housing having an upper portion and a lower portion. The lower portion defines a battery port. The light also includes a heat sink extending upward from the lower portion. The heat sink includes a body defining a central aperture that extends along a central axis, a plurality of light support surfaces arranged around a perimeter of the body, and a top support member attached to tops of the plurality of light support surfaces. The light further includes a first plurality of LEDs coupled to the plurality of light support surfaces to emit light in a 360 degree pattern, a second plurality of LEDs supported on a surface of the top support member that is perpendicular to the plurality of light support surfaces, and a battery pack received in the battery port to power the first plurality of LEDs and the second plurality of LEDs.

An optical system and luminaire are provided. The optical system includes first and second lighting effect assemblies. Each lighting effect assemblies include an effect selector and a lighting effect insert rotatably coupled thereto. Each effect selector positions its lighting effect insert in a light beam. The lighting effect inserts include a prism with a rear surface and a front side having a first plurality of facets. The rear surface has a plurality of regions aligned with corresponding facets. The regions are color filters. Some lighting effect inserts are an effects plate and a prism, where the effects plate has color filter regions. The effects plate and the prism may be separately rotatable at desired speeds and/or directions. Some lighting effect inserts are a prism with color filter regions on the facets.

An optical system and luminaire are provided. The optical system includes first and second lighting effect assemblies. Each lighting effect assemblies include an effect selector and a lighting effect insert rotatably coupled thereto. Each effect selector positions its lighting effect insert in a light beam. The lighting effect inserts include a prism with a rear surface and a front side having a first plurality of facets. The rear surface has a plurality of regions aligned with corresponding facets. The regions are color filters. Some lighting effect inserts are an effects plate and a prism, where the effects plate has color filter regions. The effects plate and the prism may be separately rotatable at desired speeds and/or directions. Some lighting effect inserts are a prism with color filter regions on the facets.

Portable jobsite equipment includes a generator including an internal combustion engine and an alternator. The internal combustion engine includes a first cylinder including a first spark plug configured to create a first electrical spark, a second cylinder including a second spark plug configured to create a second electrical spark, an electronic control unit configured to activate and deactivate at least one of the first cylinder and the second cylinder, and a load source receiving supplied power from the generator. The electronic control unit activates one of the first cylinder and the second cylinder in response to a threshold increase of the load source.

Portable jobsite equipment includes a generator including an internal combustion engine and an alternator. The internal combustion engine includes a first cylinder including a first spark plug configured to create a first electrical spark, a second cylinder including a second spark plug configured to create a second electrical spark, an electronic control unit configured to activate and deactivate at least one of the first cylinder and the second cylinder, and a load source receiving supplied power from the generator. The electronic control unit activates one of the first cylinder and the second cylinder in response to a threshold increase of the load source.

A light assembly is provided for attachment to a surface of a vehicle with a power source. The light assembly comprises a light head including a light, a light head terminal in electrical communication with the light, and a first mounting structure. The light assembly further comprises a first base configured to be coupled to the surface of the vehicle. The first base includes a second mounting structure configured to mate with the first mounting structure such that the light head can be removably secured on the first base. The first base also includes a conductor configured to couple to the power source of the vehicle. The first base also includes a first base terminal in electrical communication with the conductor and configured to mate with the light head terminal to provide power to the light when the light head is secured on the first base. The light assembly further comprises a second base configured to be coupled to the surface of the vehicle. The second base is different than the first base. The second base includes a third mounting structure configured to mate with the first mounting structure such that the light head can be removably secured on the second base. The second base also includes a battery and a second base terminal in electrical communication with the battery. The second base terminal is configured to mate with the light head terminal to provide power to the light when the light head is secured on the second base.

A light assembly is provided for attachment to a surface of a vehicle with a power source. The light assembly comprises a light head including a light, a light head terminal in electrical communication with the light, and a first mounting structure. The light assembly further comprises a first base configured to be coupled to the surface of the vehicle. The first base includes a second mounting structure configured to mate with the first mounting structure such that the light head can be removably secured on the first base. The first base also includes a conductor configured to couple to the power source of the vehicle. The first base also includes a first base terminal in electrical communication with the conductor and configured to mate with the light head terminal to provide power to the light when the light head is secured on the first base. The light assembly further comprises a second base configured to be coupled to the surface of the vehicle. The second base is different than the first base. The second base includes a third mounting structure configured to mate with the first mounting structure such that the light head can be removably secured on the second base. The second base also includes a battery and a second base terminal in electrical communication with the battery. The second base terminal is configured to mate with the light head terminal to provide power to the light when the light head is secured on the second base.