WIREMOLD / OPEN SPACE CRFB SERIES™ FLOOR BOXES CRFB2 Series Floor Box Assembly Details Ø 6 " The CRFB2 Series Floor Box housing is die-cast aluminum construction with stamped steel bottom plate. [152mm] 1 " trade size KO 5 5/8 " [143mm] Combination 3/4 " & 1 " (3) concentric trade size KO Combination 1/2 " & 3/4 " concentric trade size KO Ø 5 3/8 " [137mm] COMPARTMENT DEPTH COMPARTMENT VOLUMES 15 in.3 [245ml] 2 3/8 " (60mm) 17 in.3 [287ml] 2 1/8 " [53mm] CRFB2 Series two-compartment configurable box. WWW.LEGRAND.US/WIREMOLD Cables egress from a CRFB2 Series Floor Box with Evolution Series Poke-Thru Cover. 141 FLOOR BOXES INDEXhttp://WWW.LEGRAND.US/WIREMOLD