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A light assembly for use in a work area that is mountable, portable, can be powered by moveable work equipment, and is capable of providing light necessary to adequately illuminate a work area so that work tasks can be completed. The mountable light assembly includes a housing containing a light sou

A light assembly for use in a work area that is mountable, portable, can be powered by moveable work equipment, and is capable of providing light necessary to adequately illuminate a work area so that work tasks can be completed. The mountable light assembly includes a housing containing a light source for illuminating a work area and a hanger for hanging the light assembly. The mountable light assembly may include an extension cord designed to be held in a storage compartment and pivotable wing housings containing wing light sources. For example, the light assembly may be designed to mount on the tailgate of a pickup truck and to draw power from a trailer power outlet.

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1. A light assembly, comprising: a main housing having a back and a bottom;a main light source mounted on the main housing; andan adjustable hanger pivotally connected to the main housing and pivotable between an operating position and a storage position, the hanger defining an adjustable gap for ha

1. A light assembly, comprising: a main housing having a back and a bottom;a main light source mounted on the main housing; andan adjustable hanger pivotally connected to the main housing and pivotable between an operating position and a storage position, the hanger defining an adjustable gap for hanging the light assembly when the hanger is in the operating position, and the hanger covering the back and bottom of the main housing when the hanger is in the storage position. 2. The light assembly of claim 1, wherein: the main housing has a front, the light source projecting light forward from the main housing; andthe light assembly further comprises first and second wing housings connected to the main housing, each of the wing housings being moveable between extended positions wherein the wing housings extend away from the main housing, and retracted positions wherein the wing housings cover the front of the main housing. 3. The light assembly of claim 2, further comprising: first and second wing lights mounted on the first and second wing housings respectively, the wing lights being exposed when the wing housings are in the extended positions and the wing lights being concealed when the wing housings are in the retracted positions. 4. The light assembly of claim 3, wherein: the wing housings are pivotally connected to the main housing. 5. The light assembly of claim 3, wherein: the wing housings are pivotally adjustable about both a vertical axis and a horizontal axis relative to the main housing, so that the wing lights have a multi-axial selective directional orientation to the main housing. 6. The light assembly of claim 1, wherein: the back of the main housing and the hanger define an enclosed storage cavity when the hanger is in the storage position; andthe light assembly further comprises an extension cord connected to the light source and concealed in the storage cavity when the hanger is in the storage position. 7. The light assembly of claim 1, wherein: the main housing has a slot defined therein; andthe hanger includes a sliding part slideably received in the slot of the main housing, the sliding part sliding in the slot to adjust the adjustable gap when the hanger is in the operating position. 8. The light assembly of claim 7, wherein: the hanger further includes a back cover panel and a bottom cover panel rigidly connected together, the back cover panel being pivotally connected to the sliding part so that the back cover panel can pivot between the operating position and the storage position. 9. The light assembly of claim 1, wherein: the main housing has a length of no greater than about twelve inches. 10. The light assembly of claim 1, wherein: the adjustable hanger further comprises an extension member and a cover member, the extension member being connected to the cover member;the pivotal connection between the adjustable hanger and the main housing is the connection between the extension member and the cover member; andthe extension member is configured to slide into the main housing. 11. A light assembly for use with a vehicle, the vehicle including a tailgate and a trailer power outlet, the light assembly comprising: a housing;a light source connected to the housing;an extension cord connected to the light source, the extension cord including an electrical connector configured to be connected to the trailer power outlet; andan adjustable hanger connected to the housing and having configured to maintain an adjustable width opening for receiving the tailgate of the vehicle to hang the light assembly from the tailgate. 12. The light assembly of claim 11, wherein: the adjustable width opening has a minimum opening of at least 3.0 inches and a maximum opening of no greater than 5.0 inches. 13. The light assembly of claim 11, further comprising: resilient gripping protrusions attached to the hanger and the housing, the gripping protrusions facing each other across the opening for gripping the tailgate. 14. The light assembly of claim 11, wherein: the light source includes a plurality of light emitting diode display lights. 15. The light assembly of claim 11, further comprising: a retainer configured to hold adjustable hanger in a selected open position. 16. The light assembly of claim 11, wherein: the adjustable width opening does not exceed 5.0 inches. 17. A light assembly, comprising: a main housing having first and second ends, a length defined between the ends, a front, a back, a top and a bottom;first and second wing housings pivotally connected to the first and second ends of the main housing, the wing housings being pivotable over an adjustable range of angles extended away from the main housing, and the wing housings being pivotable to closed positions wherein the wing housings cover the front of the main housing;a main light source mounted on the front of the main housing;first and second wing light sources mounted on the first and second wing housings, respectively; anda hanger pivotally mounted relative to the main housing so that the hanger is pivotable from a storage position wherein the hanger covers the back and the bottom of the main housing, to an operating position wherein the hanger extends from the main housing to define a hanger opening. 18. The light assembly of claim 17, wherein: the back of the main housing has a cavity defined therein, the hanger enclosing the cavity when the hanger is in the storage position; andthe light assembly further comprises an extension cord connected to the light source and concealed within the cavity when the hanger is in the storage position. 19. The light assembly of claim 17, wherein: the hanger is adjustably connected to the main housing so that when the hanger is in the operating position the hanger opening is adjustable. 20. The light assembly of claim 17, wherein: the light sources each include a plurality of light emitting diode display lights. 21. The light assembly of claim 17, further comprising: an extension cord connected to the main light source, the extension cord including an electrical connector configured to be connected to a power outlet. 22. The light assembly of claim 17, wherein: at least one wing housing is pivotable about an axis substantially parallel to the front of the housing. 23. The light assembly of claim 17, wherein: the light sources combine to emit light exceeding 1000 lumens. 24. A light assembly for use with a vehicle, the vehicle including a tailgate and a trailer power outlet, the light assembly comprising: a housing including a bottom and back;a light source connected to the housing;an extension cord connected to the light source, the extension cord including an electrical connector configured to be connected to the trailer power outlet; andan adjustable hanger connected to the housing and including: an adjustable width opening for receiving the tailgate of the vehicle to hang the light assembly from the tailgate;a slideable extension plate slideably connected to the housing; anda cover piece hingeably connected to the slideable extension plate and pivotable between an operating position wherein the adjustable width opening is defined between the back and the cover piece, and a storage position, wherein the cover piece covers the bottom and back of the housing. 25. The light assembly of claim 24, further comprising: a storage compartment formed in the housing, the compartment being configured to store the extension cord, the storage compartment being covered by the cover piece when the cover piece is in a storage position.