Broadway Lighting strips are offered in a wide selection of sizes and finishes. Sockets are on 6 inch centers. UL listed for ceiling mounting with 25w max lamps. Notes: G-lamps recommended. General - Polished Brass (-10), Polished Chrome (-15) and White (-30) face plates available - Steel construction - Sockets are covered with matching socket cups - Socket spacing is 6" on centers - Medium based G lamps recommendedMounting - Wall mount - Ceiling mount only with 25 watt lamps - Full length back plate covers outlet box - Unit can be direct wired without outlet boxElectrical - Medium based phenolic sockets - Pre-wired with sockets in place.