I would check on the code about the unganged breakers for a 240V
circuit. It may not meet the code. (ALL of my 240 circuits have ganged
breakers; as a reference.)
Even if it does meet code, if one 'popped' and the other did not, one
side of that circuit would still be hot, therefore unsafe if worked on
or problem causing to whatever is connected. A ganged breaker would
mean that if one 'popped' it would shut the other breaker off, removing
ALL power to that circuit.
Part of my former career was to do business inspections; this I would
refer to a qualified electrician, a world I attempt to avoid as much as
possible. I know enough about electricity, to leave it alone hi hi.
73,
Rick nk7i
On 9/20/2024 10:48 AM, Jim Brown wrote:
Excellent design and execution, Bob. Everything about your logic is
100% correct.
73, Jim K9YC
On 9/20/2024 9:09 AM, Bob McGraw wrote:
I elected to install a 240 volt 20 amp service to my operating
position. I used some 75 ft of #10-3 w/ground (4 wires) running from
the breaker panel to the operation position. I split off a 120 volt
service from L1, and a second 120 volt service from L2. Thus there is
also a 240 volt service, L1 + L2, for the amp or any amp, past and
present. Thus everything in the station shares a common Neutral and
common Ground. Many issues are resolved using this approach.
Besides, our house was wired with those stab on outlets, of which I
have had to replace many due to poor connections.
Yes I know that #10 is rated for a 30 amp service. Due to the length
of the run from the breaker panel to the desk, I choose a larger
gauge of wire to assure less voltage drop. Besides, crawling through
the attic pulling a #10-3 is the same effort as pulling a #12-3. At
the breaker panel, the service is protected by 2 individual 20 amp
breakers. I did not use a ganged 2 pole breaker.
No ground issues, no hum issues, no buzz issues and no RFI issues.
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