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Old 03-27-2008, 10:14 PM   #16
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Finishing basement - wiring diagram


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my initial thought was to do a shared neutral with alternating circuits around the entire perimeter, but I've only seen this in reference to kitchens
Too much. With regards to Lawn Guy, I believe that load diversity is a consideration, but I'm not sure what he has in mind for layout.

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Re: switch legs... I wasn't sure how to indicate that on the diagram but I have plans for exactly what you said, cans and sconces separated.
Great. In my opinion, the more control you have the better. The rule of 12 (just so we're clear) is a rule of thumb on receptacles. Lighting is based off of the MAXIMUM bulb that will fit in the fixture. For example if you have fixtures that accept 400 W lamps, then you are only going to get three on a 15 A circuit. You have to look at the fixture and that will tell you the max. lamp size.

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I feel like much of this is overkill for how it will be used, but I guess that is how I like to do my projects.
No one every called me and asked me to take outlets out because they had too many. Projector outlet is a good idea, even if you blank it for now. Be sure and install some blocking behind the drywall for an easy install later.

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Re: GFCI in unfinished space... any thoughts? I could take the advice from another thread to paint the walls white and call it finished.
Perhaps a nice area rug? The concrete floor is the reason for the GFCI requirement. 1 1/2" conduits sound great. The only reason I would suggest anything larger is that the cords fit great. It's the connectors that can be a problem. You shouldn't have too bad of a go with your equipment rack placement though. Couple of coax ables, maybe a phone, and HDMI or whatever you are using.

I'd like to see what Lawn Guy has for circuit layout, but so far it's looking good.

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Old 03-30-2008, 09:22 AM   #17
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Originally Posted by LawnGuyLandSparky View Post
I think you're stuck on considering a receptacle as a load. They aren't, the use of the room is the load, regardless of how many convenience receptacles you provide.

This is why I say divide the convenience receptacle circuits to serve all the rooms. It's not likely you'll be having "movie time" AND working out AND working on the computer AND glue-gunning crafts together. You'll most likely be engaged in only ONE of these at a time so, providing 2 circuits to each room gets you 2 circuits in each room you happen to be using.
goose, joed, and Lawn - Thanks for the feedback!

I've adjusted the light blue and purple layout to make sure I have 2 circuits in each room. Is this good enough?


Direct link for download: http://s26.photobucket.com/albums/c1...c20080330a.jpg

Here are my calculations that support this layout...

Total sq. ft. is 740. My book says to multiply that by 3 and count that as watts. So that gives 18.5 amps spread over (2) 15A circuits. Any issues? I didn't want to use the orange circuit for a couple of outlets in the craft room as I was thinking of using that if/when I ever finish part of the remaining space. I was also hoping to avoid running a 3rd circuit for outlets or changing the circuits to 20A.

The red circuit now has 10 cans and 3 sconces (my wife returned from vacation with the kids and has weighed in ). Each can is 65w, we haven't picked out the sconces yet so I'll assume 100w worst case which gives me 7.9 amps. Any issues?

As promised here is my low voltage diagram. FYI - I've reused the same colors. The thick brown lines are the low voltage conduit that is reserved for future use. I've tested a HDMI cable end with one of these and it is doable. I hope they don't invent connectors any bigger than that.



I'll be installing boxes and cans today and, assuming positive feedback, hope to start pulling wire this week.

-David

Last edited by davidy123; 03-30-2008 at 09:26 AM.
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Old 03-30-2008, 04:23 PM   #18
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I was also hoping to avoid running a 3rd circuit for outlets or changing the circuits to 20A.
I'd say run a 20 A circuit. Something keeps telling me that one more circuit would really help, but I may be wrong. Your diagram will work, but I like to keep the circuits a little tighter. By that I mean in one room or the one right next to it. I think that if you ran one circuit for the craft room and pulled the purple circuit and the light blue out of that room, you'd be there.

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Each can is 65w, we haven't picked out the sconces yet so I'll assume 100w worst case which gives me 7.9 amps. Any issues?
Nope. sounds good. Let her weigh in now, before drywall.

As far as your LV setup goes it looks good. One addition I would make is to put another phone line in the media room in a place that might likely get furniture nearby. Phone wire is cheap to pull now and kind of a pain later. Even if you blank them, you'll have them there. Always put your phone jacks very near an outlet, as the preponderance of cordless phones have necessitated this precaution. I would also like to see an additional cat 5 on the stair wall in the craft room. Possible future office. Actually, any wall you won't be able to get to after drywall, I'd pull a location. It's up to you how far you want to go with that, but I've never been sorry. I've got phone, data, and two sat connections in every room. It's worked out very well.

Looks good. Now get cracking.
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Old 03-31-2008, 06:37 PM   #19
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Finishing basement - wiring diagram


No one ever complains about having one more circuit. Here are updated diagrams. Electric (dark blue added back for outlets in craft room):


And the low voltage:


Boxes are up, doing cans tonight!

-David
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Old 03-31-2008, 08:53 PM   #20
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David,

The layout looks good. I just noticed on your LV that your satellite distribution is off of the TV location. Why not the equipment rack? You could easily create a hub with a multiplexer in the unfinished space and create TV distribution throughout the home from there? Just a thought. I don't want to kink up the works. Nice work so far. Post some pics after rough-in.
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Old 03-31-2008, 10:58 PM   #21
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I just noticed on your LV that your satellite distribution is off of the TV location. Why not the equipment rack?
Good question. That was the original location and since I have satellite with HD that needs 4x coax and I already have the multiplexor all my home runs to that location it is too much trouble to move. That is the biggest reason I have conduit to that corner and I'll have an access panel so I'll be ok.

I got the cans in tonight. I'll try to post some pics this weekend as I'll be busy this week pulling NM.

-David
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Old 04-01-2008, 02:06 AM   #22
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for 15 amp circuits doesnt the wiring have to be 12 gauge? I though 14 was only good for 20 amps??
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Old 04-01-2008, 07:23 AM   #23
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Now you're back to putting all of the outlets in one room on one circuit.
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Old 04-01-2008, 09:24 PM   #24
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for 15 amp circuits doesnt the wiring have to be 12 gauge? I though 14 was only good for 20 amps??
You have it backwards. The smaller the number of wire gauge, the larger the diameter. Number 6 is larger than number 12.
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Old 04-01-2008, 09:25 PM   #25
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Now you're back to putting all of the outlets in one room on one circuit.
Just the craft room. The media room and play area are split.
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Old 04-10-2008, 10:29 PM   #26
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Finishing basement - wiring diagram


FYI - I've passed all rough in inspections and drywall is going up on Saturday. Thanks to all for your help and advice. I'll post more and pics as soon as I have some time, trying to keep on top of things during construction is keeping me busy.


David

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