WIREMOLD OMNIBOX™ SERIES FLOOR BOXES Omnibox Series Shallow Cast Iron Floor Boxes Technical Specifications CAT. NO. CONDUIT OPENINGS COMPARTMENT CAPACITY ADJUSTMENT BEFORE POUR ADJUSTMENT AFTER POUR 880CM1-1 (4)-1" [25mm] 34 cu. in. [557ml3] 1 3/4" [44mm] 1/2" [12.7mm] 880CM2-1 (6)-1" [25mm] 76 cu. in. [1246ml3] 36 cu. in. [595ml3] 40 cu. in. [656ml3] 1 3/4" [44mm] 1/2" [12.7mm] 880CM3-1 (8)-1" [25mm] [1934ml3] [639ml3] [656ml3] [639ml3] 1 3/4" [44mm] 1/2" [12.7mm] 118 cu. in. 39 cu. in. 40 cu. in. 39 cu. in. Omnibox Series Shallow Cast Iron Floor Boxes Ordering Information 880CM1-1 One-Gang Shallow Cast Iron Floor Box Fully adjustable. 4 3/8" [111mm] Knockouts: Back 1" Conduit Thread 5 3/16" [132mm] 2 7/16" [62mm] Side Top Side 1" Conduit Thread 1" Conduit Thread Front 1" Conduit Thread 880CM2-1 Two-Gang Shallow Cast Iron Floor Box Fully adjustable. 5 3/16" [132mm] Knockouts: Back 1" Conduit Thread 1" Conduit Thread Top Side 8 1/2" [216mm] 2 7/16" [62mm] Side 1" Conduit Thread 1" Conduit Thread Front 1" Conduit Thread 1" Conduit Thread 880CM3-1 Three-Gang Shallow Cast Iron Floor Box FLOOR BOXES 5 3/16" [132mm] Fully adjustable. Knockouts: Side 12 1/2" [318mm] 2 7/16" [62mm] Back Top 1" Conduit Thread WWW.LEGRAND.US/WIREMOLD Side 1" Conduit Thread 1" Conduit Thread Front 468 1" Conduit Threadhttp://WWW.LEGRAND.US/WIREMOLD