... 1/1 3/3 6/6 8.7/10 12/15 18/20 - 26/35Number of cores:1, 2, ... 3, 3+1, 3+2, 3+3, 4, 4+1, 4+2, 5 and so on.Structure and materials:a Conductor ... low-smoke halogen free, and non-smoke non-halogen and three classes of A, B, C.Model Description: Model NameApplication Cu ... 5 secondsEnvironment temperature of laying: 25 °C (in air) 15 °C (underground)Depth of laying in direct: 100cmCoefficient of ...