When shielding is applied to the collection of pairs, this is usually referred to as screening, but different vendors and authors use " screening ", " shielding ", and " STP " inconsistently to denote various shielded cable types.
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As a practical matter, phantom powering allows the same two-conductor shielded cables to be used for both dynamic microphones and condenser microphones, while being harmless to balanced microphones that aren't designed to consume it, since the circuit balance prevents any substantial DC from flowing through the output circuit of those microphones.
