... :(1).The long-time permissible operation temperture of conductor shall not be higher than 70oC.(2).Conductor maximum short circuit ... in level when being laid,and the ambient temperature shall not be lower than 0 oC.(4).Perfect chemical stability,resistant ... /6kV.Conductors:copper or aluminum.Number of cable cores:one core(Single core),two cores(Double cores),three cores,four cores(Four ...