Open String Buzzing Electric Guitar A guitar collection is basically just like a powerful mike coil. For decades, vibrant microphones have now been sent with the style coil attached with the principal of the microphone's transformer, and not recommended to ground (‘floating'). The microphone's situation is usually attached to the cable guard, that will be attached to the microphone amplifier's surface (see Rane's site for more discussion).
By and large, dynamic microphones are extremely quiet units consequently of the mix of transformer solitude and balanced, suspended sign lines through the duration of, along with protected, humbucking coils.
Therefore why don't you guitars? Instruments are notoriously plagued by noise. Humbucking pickups are only an incomplete (though crucial!) solution. Well-known answer would be to move the guitar collection to a healthy production, just like a microphone. A similar thought was printed this 2001 patent application such as Open String Buzzing Electric Guitar?