JESCO Lighting LFCS L-System Single Circuit Floating Canopy, Silver. L - 2-Wire Single Circuit Track System. Floating Canopy. Accepts building wires and introduces power anywhere along the length of track. Wraps around the outside of the track and conceals the J-box. 7 Amp maximum. Product Line: L-System. Finish I: Silver. Dimension: 4-1/2” (L) x 4-1/2” (W). Safety Rating: c-UL-us.