Focusrite Scarlett Studio A electric guitar pickup is basically similar to a dynamic mike coil. For decades, dynamic microphones have now been sent with the style coil mounted on the primary of the microphone's transformer, and maybe not called to surface (‘floating'). The microphone's case is usually linked to the wire shield, which will be linked to the mike amplifier's soil (see Rane's site for more discussion).
By and big, vibrant microphones are very calm products consequently of the combination of transformer isolation and balanced, hanging indication lines all through, along with shielded, humbucking coils.
Therefore why don't you guitars? Guitars are notoriously affected by noise. Humbucking pickups are merely a partial (though crucial!) solution. Well-known answer is always to move the guitar collection to a balanced result, just like a microphone. A similar idea was published this 2001 patent request like this Focusrite Scarlett Studio?