fit that creates a positive lock when the user pivots support member 12 to aim the light emanating from light fixture 18 such that support member 12 and therefore light fixture 18 will stay in place even when the user releases his or her grip on light fixture 18 or support member 12 as best shown in fig3 to lock the light in the desired vertical angle a first locking mechanism such as locking screw 22 can be used to ensure the integrity of the sealed light system a second sealing member 38 should be located between support member 12 and base member 14 as best shown in fig1 and 4 the preferred embodiment of the present invention utilizes a high temperature silicone o ring as second sealing member 38 in addition to providing a water tight seal second sealing member 38 places a pressure loading on the threads of locking screw 36 such that vibrations will not cause locking screw 36 to loosen as often happens with most other knuckle connectors to allow the electrical wire to reach lamp 22 in housing 20 support member 12 has first passageway 40 shown in fig3 and 4 that passes through the support side 30 of support member 12 to upper surface 24 of support member 12 where housing 20 connects in the preferred embodiment base member 14 has second passageway 42 shown in fig3 4 and 6 that interconnects first passageway 40 with base.