What is Shielded Cable used for?

Shielding is the isolation of metal between two regions of space to control electric and magnetic fields and electromagnetic waves from one region to the other area to another area of induction and radiation. Specifically, it is the shielding of components, circuits, assemblies, cables or The whole system of interference sources surrounded by shielding to prevent the spread of interference electromagnetic field to the outside: shielding the receiving circuit, equipment or system.