Lowrider, I’ll just add to the many excellent comments that have been provided the suggestion that it may be worthwhile to re-read this thread from about two years ago. Note particularly the comments by electrician expert extraordinaire Jea48 (Jim). And in regard to ground loops, which you had asked about in your initial post above, note especially his reference to pages 31 through 37 of this paper.
It is explained in those pages that what "drives 99% of all ground loops" (to a greater or lesser degree depending on the designs of the specific components that are involved -- my words) is lack of uniform geometry in the power wiring. Which in turn results in the magnetic fields surrounding the hot and neutral conductors, that would ideally cancel each other perfectly at the mid-point between the conductors due to the currents which produce those fields being in opposite directions, cancelling less than perfectly, and therefore causing voltages to be induced in the safety ground wire. Which in turn will result in ground loop issues to a degree that depends on how safety ground and signal ground are connected to each other within any pair of interconnected components.
As you’ll see in the paper, the Romex you indicated is being used in the existing run is a good choice in that regard, given its essentially uniform geometry.
Note also the list of common sources of high frequency noise, on page 37.
Good luck. Best regards,
-- Al
It is explained in those pages that what "drives 99% of all ground loops" (to a greater or lesser degree depending on the designs of the specific components that are involved -- my words) is lack of uniform geometry in the power wiring. Which in turn results in the magnetic fields surrounding the hot and neutral conductors, that would ideally cancel each other perfectly at the mid-point between the conductors due to the currents which produce those fields being in opposite directions, cancelling less than perfectly, and therefore causing voltages to be induced in the safety ground wire. Which in turn will result in ground loop issues to a degree that depends on how safety ground and signal ground are connected to each other within any pair of interconnected components.
As you’ll see in the paper, the Romex you indicated is being used in the existing run is a good choice in that regard, given its essentially uniform geometry.
Note also the list of common sources of high frequency noise, on page 37.
Good luck. Best regards,
-- Al