high EFFICIENCY FAST RECOVERY RECTIFIER DIODES Sound/Security Multiconductor Cable; Number of Conductors:2; Conductor size AWG:18; No. Strands x Strand size:7 x 26; Jacket Material Belden Unshielded Plenum Multi-Conductor Cable, Wire size: 18 AWG, Number of Conductors: 2, Color: Gray, Length: 1000 feet, Conductor Material: Bare Copper, Jacket: Natural Flamarrest