Wiremold OFR Series - Overfloor Raceway - OFR Flat Elbow - BlackWiremold OFR Series Overfloor Raceway OFR Flat Elbow, Black The Wiremold OFR Series Overfloor Raceway delivers a compact, ADA compliant solution for channeling power, data, and A V connectivity exactly where you need itwithout sacrificing space or style. Designed for retrofits and new installations alike, the OFR Flat Elbow variant in black blends seamlessly with modern interiors while providing four independent channels to organize and protect cables