the top surface 18 of the fixture one leg 20 of hook 16 is secured by set screw thru hub 22 to the fixture 18 the other leg 24 of hook 16 terminates in a threaded free end 26 the power cord 12 is connected to the lamp socket of fixture 10 in the usual manner hook 16 is designed to engage a hook element 28 of power housing 30 the power housing 30 is secured to a length of conduit 32 through which the leads 34 from the installation facility power supply are brought to a receptacle 36 receptacle 36 is mounted to extend through the bottom surface 38 of the power housing hook member 28 comprises a 34 u 34 shaped member which fits in a slotted opening 38 in a portion 40 of the power housing bottom surface as shown in fig2 hook member 28 is provided with flanges 42 44 extending outwardly from its free ends the flanges rest on top of the power housing base portion 40 adjacent slot 38 and prevent the hook member 28 from falling through the slotted opening as a result the lower portion of member 28 along with portions of the power housing bottom surface define an eye for hook 16 hook member 28 fits freely in the slotted opening held in place only by flanges 42 44 as well as the weight of fixture 10 when the fixture is in position as may be noted in fig1 the portion 40 of the power housing base containing the slotted opening for hook member 28 is inclined with respect.