... Type,description,applicationNo.TypesDescriptionMain application 1VV VLYVY VLY PVC insulated and PVC/PE sheathed power cable For laying indoor,in tunnels ... to bear external mechanical forces. VV22 VLV22VV23 VLV23 PVC insualated and PVC/PE sheathed,steel tape armoured power cable For ... ,IEC60502 and IEC60840,and have formed a series,ie.cables of flame-retardant model,refractory model,forts-proof model ...