... or PE sheathed power cable.For laying indoor, tunnel, underground and canal. Unable to bear external mechanical pulling force and pressure ... or PE sheathed power cable.For laying indoor, tunnel, underground and canal. Able to bear external mechanical pulling force , but unable ... of level, able to bear mechanical pressure and moderate pulling force.(ZR)YJV42or(ZR)YJY43(ZR)YJLV42or(ZR)YJLY43(Flame ...