3M™ white cable stacker. Centers multiple cables on a 2 x 4 in. framing member.
The 3M™ cable stacker SI-1 and 3M™Furring strip cable stacker SIFS-1 are intended for use with NM and UF cables on framing members. SI-1 allows the installation of multiple NM or UF cables on one side of a 2 x 4 in vertical or horizontal raceways. SIFS-1 allows multiple cable installations on one side of a furring strip. The cable stackers address Article 300-4(d) of the National Electrical Code (NEC) and the Canadian Electrical Code, Part 1, Section 12-516.