Wiring Duct Wall Type Wide Slot Width 1 1/4 in Height 1 5/8 in Slot Width 0.3 in Material Lead-Free PVC Color Gray Mounting Style Screw Mount Length 72 in Slot Height 0.6 in Slot-to-Slot Centerline 4/5 in Standards CE Compliant CSA Certified NFPA 79-2015 Section 13.3.1 RU Certified UL Listed UL 94V-0 Compatible Cover Style Snap-On Nominal Height 1 1/2 in Nominal Width 1 in