Fender Strat Case A guitar collection is basically similar to a dynamic microphone coil. For decades, dynamic microphones have already been wired with the voice coil attached with the primary of the microphone's transformer, and not introduced to surface (‘floating'). The microphone's situation is normally connected to the cable guard, which can be linked to the microphone amplifier's soil (see Rane's web site for more discussion).
By and big, dynamic microphones are extremely quiet products as a result of the mix of transformer solitude and balanced, suspended transmission lines through the duration of, along with protected, humbucking coils.
Therefore why don't you guitars? Instruments are notoriously overwhelmed by noise. Humbucking pickups are only an incomplete (though essential!) solution. Well-known solution would be to float your guitar collection to a balanced production, being a microphone. The same idea was published this 2001 patent application such as Fender Strat Case?