... is suitable for supply, distribution and underground rated voltage 0.6/1KV. For laying indoors, in tunnel, cable ... trench and a pipe, cable unable to bear external mechanical force, cable ... external mechanical force, but can't under external pressure.4.LSZH Cable's model and specificationNameTypeArea(mm2)CoresPVC insulated ... +13+24+1 LSZH Power Cable YJV 1*4.0