Black Electric Guitars A electric guitar pickup is basically similar to a vibrant mike coil. For decades, vibrant microphones have already been wired with the voice coil attached to the primary of the microphone's transformer, and maybe not recommended to soil (‘floating'). The microphone's case is usually linked to the wire shield, that will be linked to the microphone amplifier's soil (see Rane's site for more discussion).
By and large, dynamic microphones are very calm products as a result of the combination of transformer isolation and healthy, hanging transmission lines through the duration of, as well as protected, humbucking coils.
Therefore why not instruments? Instruments are once affected by noise. Humbucking pickups are just a partial (though important!) solution. The obvious option would be to float practicing the guitar collection to a healthy output, just like a microphone. An identical idea was printed this 2001 patent application such as Black Electric Guitars?