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Old 01-14-2010, 07:11 AM   #16
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Remodeling a half bath with plaster walls


I am just asking how you take old tube and wire 12/2 without a ground wire and hook up GCFI?

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Old 01-14-2010, 07:32 AM   #17
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Remodeling a half bath with plaster walls


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I am just asking how you take old tube and wire 12/2 without a ground wire and hook up GCFI?
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gfci plug was using newer NM cable.
This is what the OP stated.... The light is on the knob and tube... not the outlet.
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Old 01-14-2010, 10:42 AM   #18
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Remodeling a half bath with plaster walls


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The light fixture was using the knob and tube setup and the gfci plug was using newer NM cable. I've been doing some reading and found a layout that would allow me to run the gfci plug and also my light fixture with a switch for it. Previously the light had to use a pull cord since it wasn't wired for a switch. I believe the wiring diagram I found should work, since it's identical to what I want to do here.
I may not have worded that clearly. I plan on not using this section of knob and tube anymore and only use the new wiring for the gfi, switch, and light. I will soon be tearing out the other side of this entire left hand wall (the next week or 2) and can then deal with this section of knob and tube. The wiring that comes into the GFI is grounded I believe, although it is spliced into many times, it is 12/2 all the way to the panel on this line, not knob and tube. I would like to wire this correctly all the way into the basement where it ran before and then work on making it into a seperate circuit afterwards.

I don't think there is any room for an expansion or exhaust fan even. Above this room are the second flight of stairs, to the right are the first flight, behind are my stairs to the basement and to the left is a wall in my kitchen. Any suggestions there?

Thanks guys!
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Old 01-14-2010, 11:45 AM   #19
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Remodeling a half bath with plaster walls


Don't forget to put some backing in the wall where you are going to mount the hanger for the sink. Also not a bad idea to put some in for tp holder and towel bars etc. Better and easier than messing around with plastic anchors or toggles.
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Old 01-14-2010, 01:21 PM   #20
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Remodeling a half bath with plaster walls


That sink is not vented. It looks like you have a vent two bays over to the right that you could tie into. While you're at it you could raise the height of the drain which would look nicer. Good luck and keep taking pics
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Old 01-21-2010, 01:28 AM   #21
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Remodeling a half bath with plaster walls


Thanks for the suggestions guys. I added the supports for the sink brackets. Funny you suggest using the nearby vent. While tearing down the lath and plaster from the other side of the wall last weekend, the vent pipe cracked at the hub. If it was gonna break, that was the best time, while it's all open, and now I can easily tap into the vent. The stud that the vent pipe was running through was completely cut, so I still need to correct this, I'll post a diagram of what I have in mind. I hope I did this right, but none of the drain has been glued yet, so let me know if anyone notices anything wrong.



I've used a small piece of Flex PVC to get my vent around my brace for my sink. I was able to get my water supply lines replaced fairly easily. Now they will tuck up close to the sink, and not be running through my porcelain tile. Only problem with the water lines was I had to compromise for the toilet supply line. The basement stairway is behind the wall and a joist runs parallel right under the back wall, so I had nowhere to bring the line up through. So I will run it from the side wall, the one advantage of the bathroom being so small, it will still be very close to the toilet tank.

I decided I will do the electrical 100% instead of cutting corners after spending so much time on this little project. I'll run 12-2 all the way from the panel, to this one GFI receptacle. Also I'll run 14-2 all the way from the panel to the light and switch. So once I get all this drain setup glued, I'll be ready to run the electrical and then on to the drywall and finally floor!
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Old 01-21-2010, 03:47 AM   #22
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Remodeling a half bath with plaster walls


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Originally Posted by liquidplumber View Post
Don't forget to put some backing in the wall where you are going to mount the hanger for the sink. Also not a bad idea to put some in for tp holder and towel bars etc. Better and easier than messing around with plastic anchors or toggles.
I wish when mine was remoldeled that this was thought off,great idea!
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Old 01-22-2010, 01:15 PM   #23
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Remodeling a half bath with plaster walls


Looks great, plaster and lath sucks, especially when you have to take it down dust everywhere. Im not 100% on this but it looks like you used a couple of screw type pvc connectors for you sink drain line where it meats the down pipe. I think thoes are suppose to be all glue fittings if in a wall, they can become loose over time and leak. Some of the plumbing gurus here should be able to clarify. Like I said though, looks great! Nice starter project.

Mike
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Old 01-22-2010, 06:17 PM   #24
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Remodeling a half bath with plaster walls


Thanks for the tip! If I understand right, I should've used a Sanitary Tee with, like you said, glue. I want to get the drain as close to the wall as possible, and couldn't find fittings to transition to the brass drain without them taking up even more space coming out of the wall. So I used a standard sink tee with the screw on couplings. What about keeping the threaded but glueing them as well? That would hold quite good wouldn't it? Or is the problem using the compression style rather than cemented together pieces? What do you guys think? Thanks again!
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Old 01-22-2010, 06:34 PM   #25
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Remodeling a half bath with plaster walls


Water pipe for toilet looks too high 6" to 8" is standard
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Old 01-22-2010, 06:58 PM   #26
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Remodeling a half bath with plaster walls


for the sink drain you should be able to glue in a drain T, then glue in a threaded adapter where it pokes through the wall to connect to your p-trap. Youll have the same threaded connection poking out of the wall but it will now be accessible. You can even glue in a small extension so it pokes out a little further allowing you to keep the pvc pushed back in the cavity.
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Old 01-28-2010, 12:14 AM   #27
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Remodeling a half bath with plaster walls


Alright, I got it all setup correctly now. Using the sanitary tee, but not coming too far out of the wall to be noticeable. I found a nice deep flange that will be deep enough the cover the white threaded fitting and it should look alright. I will take your advice superplumberguy and move that toilet supply down when I glue all this drain together this week. Thanks again guys for all the help. I'll post some new photos soon, got all the electrical in and running. I was able to have an electrician friend of mine come over and hook the new lines into my panel and install the new breakers and also look over my wiring job. Worked perfectly! I did go with the 12/2 for the GFCI receptacle and the 14/2 for the light and switch. I also ran an extra line for the refrigerator plug on the other side of the wall. Just got to get this drain finished up and I will be ready for drywall, paint, then floor.

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