Snare Drum Light A electric guitar collection is basically similar to an energetic mike coil. For decades, active microphones have been sent with the voice coil attached with the primary of the microphone's transformer, and maybe not called to surface (‘floating'). The microphone's situation is usually connected to the wire guard, which is linked to the mike amplifier's soil (see Rane's website for more discussion).
By and big, active microphones are very quiet units as a result of the mix of transformer isolation and balanced, hanging transmission lines all through, as well as protected, humbucking coils.
So you will want to instruments? Guitars are once affected by noise. Humbucking pickups are only an incomplete (though crucial!) solution. Well-known solution would be to move the guitar collection to a balanced result, just like a microphone. A similar thought was printed this 2001 patent application like this Snare Drum Light?