Modular raceways containing sockets for bare lamps, most often wired in 3, 4, or more circuits, and outlining stage runways, passerelles, or portals.
http://www.actionlighting.com/marquee-sign-lights/
http://www.tslight.com/products/07m-marquee-striplight/
http://www.actionlighting.com/marquee-sign-lights/
http://www.tslight.com/products/07m-marquee-striplight/