Joe Pass Emperor A electric guitar collection is basically similar to an energetic mike coil. For decades, energetic microphones have been wired with the style coil attached with the principal of the microphone's transformer, and maybe not introduced to soil (‘floating'). The microphone's situation is typically connected to the cable guard, which is attached to the microphone amplifier's ground (see Rane's website for more discussion).
By and large, dynamic microphones are very calm units as a result of the mixture of transformer isolation and balanced, flying sign lines throughout, in addition to guarded, humbucking coils.
So why don't you guitars? Guitars are once affected by noise. Humbucking pickups are just a partial (though important!) solution. The most obvious solution is to move your guitar pickup to a healthy output, as being a microphone. An identical strategy was published this 2001 patent request like this Joe Pass Emperor?