Abstract: An adjustable mount for use with light fixtures that are sealed to prevent entry of moisture and contaminants. O-ring seals are utilized to connect and seal the components of the adjustable mount so that it is not a source of moisture or loss of vacuum. The adjustable mount is a knuckle-type mount that connects a light fixture with a junction box or other source of electrical power. The adjustable mount provides a full range of vertical and rotational angles without damaging the electrical wiring that is sealed inside the mount. Frictional connections in the mount allow the lighting angle to be set without the necessity of tightening the set screws which connect the components together.