An adjustable lamp includes a base, a riser configured to be attached to the base, and an adjustment arm including a lamp head. The adjustment arm is configured to be removably engaged to the riser. The adjustment arm is slidably moveable relative to the riser along a longitudinal length of the adjustment arm such that the distance between the lamp head and the riser can be increased or decreased. The adjustment arm includes a plurality of electrical buses configured for electrical-mechanical engagement with the riser when the adjustment arm is attached to the riser, and the LED lamp head is configured for electrical communication with the plurality of electrical buses.