The outer layer of the outer insulation layer of the cable is coated with a layer of metal or other materials (depending on the environment in which the cable is laid), thereby protecting the cable from external mechanical damage, chemical gas corrosion, etc. This layer is armored. Floor. The armored cable mechanical protective layer can be added to any structural cable to increase the mechanical strength of the cable and improve the corrosion resistance. It is a wire and cable designed for areas that are susceptible to mechanical damage and extremely erosive. It can be laid in any way, and is more suitable for direct burial in rock areas.