ProSound Cables PSC50DMX 50' 3 pin DMX Cable for Lighting Products 3 conductor DMX cable 22 AWG stranded (0.15 x 19 ) tinned copper conductors, polyethylene insulation Twisted pair, polyethylene inner jacket, duofoil (100% coverage) and cotton plus a Tinned copper braid shield (85% coverage), PVC jacket Nominal characteristic impedance: 110 ohms