Apple Wired Keyboard Small A electric guitar collection is basically just like an energetic mike coil. For decades, dynamic microphones have now been sent with the style coil attached with the primary of the microphone's transformer, and maybe not introduced to floor (‘floating'). The microphone's case is typically attached to the wire guard, that is attached to the mike amplifier's soil (see Rane's internet site for more discussion).
By and big, energetic microphones are very quiet devices as a result of the mixture of transformer isolation and balanced, flying indication lines for the duration of, in addition to protected, humbucking coils.
So why don't you guitars? Guitars are notoriously overwhelmed by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The obvious option would be to float your guitar collection to a balanced production, just like a microphone. An identical strategy was printed this 2001 patent application such as Apple Wired Keyboard Small?