I have a special 4 wire 20 amp dedicated circuit using awg 10 Copper wire
copper gold outlets ,a common ground and a isolated insulated ground
with its own separate dedicated buzz bar , with Solid silver contacts in the breaker
from Germany , and a Siemens 200k surge protector,ii with a power factor filtering
on the incoming signal , our incoming power is one street over and the signal is super clean day or night .i plug my Coda CSIB in direct to the wall but have a dedicated custom isolation for my digital .