Fender Deluxe Reverb Head A electric guitar pickup is basically just like a dynamic microphone coil. For decades, dynamic microphones have now been wired with the style coil attached with the principal of the microphone's transformer, and perhaps not recommended to soil (‘floating'). The microphone's case is normally linked to the wire shield, which can be attached to the microphone amplifier's surface (see Rane's website for more discussion).
By and big, dynamic microphones are extremely calm devices as a result of the mixture of transformer isolation and balanced, floating transmission lines during, along with shielded, humbucking coils.
So why don't you instruments? Guitars are once plagued by noise. Humbucking pickups are merely an incomplete (though important!) solution. Well-known answer is always to move the guitar collection to a balanced production, being a microphone. The same strategy was printed that 2001 patent application like this Fender Deluxe Reverb Head?