Omni Cable Security and Alarm Cable, Type CL3R/CMR Multi-Conductor Shielded, Reel Packaging, 300 VAC, 3 Conductors, Bare Stranded Copper Conductor, 18 AWG Conductor, 0.173 in OD, 500 ft Length, 7/26 Strands, PVC Insulation, PVC Jacket, Gray Jacket, 60 deg C