A light puck that attaches to a wire rope tension grid has a top cover with a plurality of slots to receive wire ropes therein and a corresponding bottom cover. There is also a light fixture having a plurality of LEDs disposed between the top cover and the bottom cover, the light fixture aligned with an opening in the bottom cover. A biasing plate is positioned between the light fixture and the top cover and has adjustment screw associated therewith to bias the biasing plate relative to the top cover.