Guitar String Is Buzzing A electric guitar pickup is essentially just like a powerful mike coil. For many years, dynamic microphones have now been wired with the style coil attached with the principal of the microphone's transformer, and maybe not called to ground (‘floating'). The microphone's event is typically linked to the wire guard, which can be connected to the mike amplifier's ground (see Rane's site for more discussion).
By and big, energetic microphones are extremely quiet units consequently of the mix of transformer solitude and healthy, suspended sign lines during, along with guarded, humbucking coils.
Therefore why don't you guitars? Guitars are once affected by noise. Humbucking pickups are merely a partial (though essential!) solution. The obvious solution is to move the guitar pickup to a balanced result, just like a microphone. The same idea was published this 2001 patent application such as Guitar String Is Buzzing?