Time for dedicated outlets!

cerberus79  14 posts                                                         05-06-201710:40am

Jea48, the bare wire is the ground. It is connected to the ground bar in the panel and at the outlet it is connected to the box and outlet ground screw

Early in this thread is was recommended that 10-3 with ground be used instead of 10-2 with ground for a single 120V 20 amp dedicated branch circuit. The idea is to use one of the insulated conductors for the equipment grounding conductor instead of bare equipment grounding conductor.
(I assume the red would be rapped with green marking tape to identify it as the equipment grounding conductor.)

I assumed the above wiring method is what falconquest was referring to in his post, that I responded to.

So my question,
What do you do with the bare #10 ground wire in the Romex cable?

Exactly. That's my question.

I misspoke (wrote)? 10-3 would be three conductor with ground. 10-2 is sufficient. Please check this out from Vince Galbo @ MSB.....

http://www.msbtechnology.com/faq/how-to-wire-your-house-for-good-power/

@cerberus79,

Run a 12/3 romex that is a neutral with two lines and a ground. This will give you two dedicated 20 amp cicuits with one run.

No, that would be 2 separate 120V circuits. A 3 wire 120/240V multiwire branch circuit. Two separate 120V circuits with a shared/common neutral conductor.

A 120V dedicated branch circuit is a branch circuit with a dedicated,
Hot conductor
Neutral conductor
Equipment grounding conductor.

A true dedicated circuit does not share a raceway, conduct, or cable assembly, with any other circuits.

Multiwire branch circuits are not recommended for feeding audio equipment. Especially where audio equipment is connected together by signal wire interconnects.

It also should be mentioned the 2 circuits of the 120/240V 3 wire multiwire branch circuit must be connected to a 2 pole breaker, per NEC.

Only the imbalanced load, of a 3 wire multiwire branch circuit will return on the shared neutral conductor back to the source, the electrical panel. The balanced load of the 3 wire circuit is in series with the two hot ungrounded conductors.
Example: If the connected load on L1 to neutral is 5 amps and the connected load on L2 to neutral is 5 amps, zero amps will return on the neutral conductor of the branch circuit back to the source. The two loads are in series with one another, essentially being fed by 240V.

So say Digital equipment is fed from one of the separate 120V circuit outlets and the analog is fed from the other separate 120V circuit outlet, Only the imbalanced load of the digital equipment and analog equipment will return on the neutral conductor. The balanced 120V loads, of the two connected loads, will be in series with one another. Do you really want the digital hash going back out on the power cord/s of the digital equipment coupled to the power transformer/s of the analog equipment?
Here is a very good video on how a multiwire branch circuit works.
https://www.youtube.com/watch?v=eVamt9IdQd8
.

Jea48, The NEC does not clearly define that and it is left as a design perrogative. It is understood that a dedicated circuit is one where only one appliance will use that circuit. A neutral can be shared but only one appliance per breaker. Some elect to run a neutral for each as a design choice. In either case the neutral is run back to the panel and attached to the neutral bar where all the other neutrals are.