Coiled Instrument Cable A electric guitar pickup is actually similar to a powerful mike coil. For decades, active microphones have been wired with the style coil attached with the principal of the microphone's transformer, and perhaps not recommended to surface (‘floating'). The microphone's situation is typically linked to the wire guard, that will be attached to the mike amplifier's soil (see Rane's site for more discussion).
By and large, vibrant microphones are very calm products as a result of the combination of transformer solitude and healthy, hanging indication lines through the duration of, in addition to protected, humbucking coils.
Therefore why not instruments? Instruments are notoriously affected by noise. Humbucking pickups are just an incomplete (though essential!) solution. The obvious solution is to move your guitar collection to a healthy output, just like a microphone. A similar thought was published this 2001 patent application like this Coiled Instrument Cable?