Epiphone Les Paul Goth A electric guitar pickup is essentially similar to a dynamic microphone coil. For decades, powerful microphones have been wired with the style coil mounted on the principal of the microphone's transformer, and perhaps not referenced to surface (‘floating'). The microphone's situation is normally attached to the cable shield, which can be attached to the mike amplifier's soil (see Rane's website for more discussion).
By and big, powerful microphones are very quiet products consequently of the mix of transformer solitude and healthy, hanging indication lines throughout, as well as shielded, humbucking coils.
Therefore why don't you guitars? Instruments are once overwhelmed by noise. Humbucking pickups are only a partial (though crucial!) solution. The obvious alternative is to float the guitar collection to a healthy output, just like a microphone. The same thought was printed this 2001 patent application such as Epiphone Les Paul Goth?