Apple Ethernet Adapter A guitar pickup is essentially just like a vibrant mike coil. For decades, active microphones have been sent with the voice coil mounted on the primary of the microphone's transformer, and maybe not called to floor (‘floating'). The microphone's case is usually connected to the cable shield, which is attached to the mike amplifier's floor (see Rane's website for more discussion).
By and large, dynamic microphones are extremely quiet devices as a result of the combination of transformer isolation and healthy, flying sign lines through the duration of, in addition to protected, humbucking coils.
Therefore you will want to guitars? Guitars are once affected by noise. Humbucking pickups are only a partial (though crucial!) solution. The obvious answer is always to move the guitar collection to a healthy production, just like a microphone. An identical idea was published this 2001 patent request like this Apple Ethernet Adapter?