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In Reply to: Re: Dedicated line using romex 12/3 with red and black for hot. Has anyone else used this? posted by wheezer on March 13, 2003 at 17:59:55:
I realize it is not code. The breakers are 2 leg, so thet are not double lugged. What I want to know are there any sonic benefits? I have read of sonic benefits to using twisted THHN for power cords and thought there could be an improvement with this configuration over regular 12/2 romex.
Follow Ups:
If you have a used a double pole breaker you know have 240V feeding your system DANGER! is the best way to describe.
Only one line is needed unless you max load exceeds 16A of total continuous current on a 20A line.If current demands req a second line use a single pole tandem breaker.
Using a separate line for digital stuff creates MORE noise via. grounding problems.
As for THHN you will have to run EMT, RIGIG, or NM, conduit a waste of time. I suggest refocus on what come AFTER the dedicated line i.e.; JR filter, Balanced Power and/or ISO trafo. etc.. These filters will provide what you are looking for, which can season to taste and use gool ol' ROMEX
The breaker is 15 amp and has a single switch. It does have two lugs to clamp down on two wires. Is this really 240 Volt? If so I had better call him and get him to remove one wire.
YUP!
If you pull the breaker, you will see TWO legs sticking forward from the bussbar behind, going into the breaker.
Each leg is derived from offsetting bus bars, causing out of phase. If the breaker SAT on just one leg, you would then have two (120) legs in phase w/ each other,I suggest getting one of these(A TANDEM xxA BREAKER).
Two legs are 120 + 120 out of phase causing 240V,
Stick your DMM on the hot side (smaller slot) of BOTH receptacles,that u just installed.
if this was 220 the breaker would trip as soon as you turned it on. Did your friend break the tabs on the side of the recept?
He indicated that they ran two dedicated lines. They did not realize they are 180 ouf of phase from each other, hence 240V
the breaker is only 15 amps. That's one one breaker not a dual. How can a 15 amp breaker be pulling 240V? The breaker does not pull from to points on the bar as far as I remember. Unfortunately I can not go back to check as it is 2,000 miles away.
Amps do not matter. 15,20.(single, double pole- single pole TANDEM)
You said you hooked up red and black to their OWN lugs. That means TWO. You then said ONE arm on the breaker.
If it's 15A, then you have 240V 15A.If you are still confused please email off-line and we'll get it straightened out.
Take a ride to Homey D's and look at the panel, You'll see how they bus offsets the phase VERTICALLY not horiz.
Regards,
Mitch
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