The Monorail 2-Circuit Out-Rigger Standoff by Edge Lighting Monorail 2-circuit out rigger standoff supports the rail up to 36 inches from the wall. Place standoff's ever 3 feet and at points where the rails join together. Use with 2-circuit out-rigger power feeds. Finish available in polished nickel, satin nickel or antique bronze. ETL listed.