16/4 250FT 16AWG GAUGE 4 CONDUCTOR IN WALL CL2 RATED SPEAKER BULK WIRE CABLE WHITE CL2 Rated Unshielded 16-Gauge 250ft White 16/4 AWG 0.16mm Stranded Conductor. CCA(Copper Clad Aluminum). Polyvinyl Chloride (PVC) Plastic Spool. Running feet printed every 2ft on the cable, makes measuring easy Use for Indoor applications RoHS Compliants, ISO-9001 Certified