What wire to use instead of Romex

@roccity 

It just occurred to me, your Condo electrical wiring is not fed from any of the load center panels in the photo you posted. Where is the electrical panel that feeds your Condo unit located? I assume somewhere in the Condo.

Why are you wanting to fed a dedicated circuit from one of the load centers in the garage? I’m not sure what the feeder ampacity rating is for the load center panel you are planning to use, or the existing loads on the panel.

More info is needed.

Like where is the panel that feeds your Condo unit in regards to where the new dedicated audio circuit wall outlet will be? 

@jea48 

My condo has a subpanel in the kitchen with individual breakers for the different circuits in my home. The two panels in the garage (the Square-D panels with one sitting above the other) are my main panel. If you look closely, you'll see a 100-amp tandem breaker in the top panel labeled "Condo." This feeds the subpanel in my kitchen.  The electric meters are on the exterior of the wall to which the panels are mounted.

My thinking is that the total load on my main panel remains the same as I won't be adding any usage but rather just redistributing it, and so exceeding any capacity limit is not an issue.

Let me know if this makes sense and clears things up for you.

Can't it be run inside the wall? Any competent electrician should be able to.

@rwwear 

Can't it be run inside the wall? Any competent electrician should be able to

I suppose it could, but if I understand what you're asking, that would entail having to cut into the drywall every 16 inches and drill holes through the studs. Running it across the ceiling or walls is simpler and cheaper, if not more aesthetically pleasing.   

@roccity said

My condo has a subpanel in the kitchen with individual breakers for the different circuits in my home. The two panels in the garage (the Square-D panels with one sitting above the other) are my main panel.

OK.

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If you look closely, you’ll see a 100-amp tandem breaker in the top panel labeled "Condo." This feeds the subpanel in my kitchen.

Edit:  " tandem " to 2 pole breaker ( 2 pole 100A,  240V breaker) .

I can’t make out what’s written on the labels. It looks like there are a few 2 pole 240V breakers in the two panels. Air conditioning?  Water Heater? Electric car charger? Other?.

So, The angled GF, flexible metal conduit, out the top of the panel is a 100A feeder that feeds the sub panel in the kitchen. 

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The electric meters are on the exterior of the wall to which the panels are mounted.

OK.

Just curious, is there a 2 pole 100A, 240V main breaker outdoors fed from the load side of the electric meter socket? Just curious...

Yes, I too would feed the new dedicated 120V 20A branch circuit from the main panel in the garage. (But I will ask is the sub panel in the kitchen closer to where you want to install the branch circuit wall outlet? How much closer?)

Will the HOA require you, actually the electrical contractor/electrician, to pull a electrical permit? If yes I wonder if the electrician will be required to install a 20A AFCI breaker in the electrical panel. Hard to tell from the photo but it looks to me like the two panels are Square D QO. I believe a 1 pole 20A AFCI breaker will work, fit, if required. 

FWIW, From what I have read your area in NY State is still working under the 2020 NEC code.  

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Downside? Lightning protection. Are lightning storms common in the City you live in? Because of the distance from the branch wall outlet, there in the length of the branch circuit wiring from the main electrical service equipment may be less than 30ft, a plug-in Type 3 point of use SPD (Surge Protection Device) is not recommended (allowed), by NEC, UL, NEMA, therefore the Manufacturer of the Type 3 SPD. 

IF your area is subject to frequent lightning storms I would suggest you have the electrician install a Type 2 SPD at the main panel in the garage. Top of the line residential  Siemens or Eaton Type 2 SPDs get very good customer reviews.

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I really would like to know if there is a 2 pole main disconnect breaker outdoors on the load side of the electric meter socket for your electrical service. If yes that is where the electrical service is connected to Mother Earth.

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As for this:

@rwwear said:

Can’t it be run inside the wall? Any competent electrician should be able to

@roccity  response:

I suppose it could, but if I understand what you’re asking, that would entail having to cut into the drywall every 16 inches and drill holes through the studs. Running it across the ceiling or walls is simpler and cheaper, if not more aesthetically pleasing.

@roccity 

Hopefully the electrician you hire will be experienced in what he does. Layout, layout, layout... Hopefully he practices the 6 Ps. Prior Planning Prevents Piss Poor Production. His attitude should be he can do anything... If you have the money, he has the time.

Question, is there a Condo above yours? Or maybe an attic space? 

FWIW, I don’t think you are going to like the looks of MC cable surfaced mounted on your wall(s) and ceiling. IF you are married you best run the idea past your wife first...

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