alarm cable 4x0.22mm ,(4 core ,7/0.20 copper, 305m/roll)designed for intruder ... with good quality and competitive alarm cable 4x0.22mm ,(4 core ,7/0.20 copper, 305m/roll) Cable Introduction:Burglar ... tinned copper, plain bare copper, copper clad aluminum or tinned copper clad aluminum.Specification:l Conductor: 4X0.22mm, 7 strands ... 7/0.207.8 alarm cable 4x0.22mm ,(4 core ,7/0.20 copper, 305m/roll)