20 Amp Dedicated line: 10 gauge vs 12 gauge wire


Is there any issue running a 10 gauge wire in a 20 amp dedicated line vs. a 12 gauge wire.
It seems that a 10 gauge wire would heat up less.
Thoughts/comments?
Thanks.

B.
mr_lewis

Showing 1 response by almarg

Keep in mind, though, that if the interconnects between components that are connected to separate dedicated lines are single-ended (unbalanced), there is the risk that voltage differentials between the grounds of those separate dedicated lines will couple noise or hum into the system via the shields of those interconnects:

http://www.jensen-transformers.com/an/an004.pdf

Regards,
-- Al