Time for dedicated outlets!

Yes, it is either
12-2 Romex or 10-2 Romex...."cleeds" is on it!
You can debate which one to run for a 20 amp duplex outlet but what you have is a Black Positive conductor, a White Neutral conductor, and a Green Ground conductor. 
In the Service Panel: the 20 amp breaker will have only the Black wire,
   The White will be attached to the Neutral Bar and the Ground to the 
   Ground Bar.

Sir cleeds,
If I may, the power company does not supply a ground wire.
You only have three supply wires coming in from your utility/power company.
2 are the supply wires...Positives...one for each half of a 200 amp service or whatever your home has. The third wire is the Neutral wire.
No ground comes to your home.  Your ground is made-up via a 6' copper grounding rod driven in the ground.

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/