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How to drill hole from basement ceiling to floor above?
Posted 24 January 2008 - 10:03 PM
So the wall I'm planning to mount the touchscreen is inside wall, so it should be easy without insulation. Do I just cut out the hole and put a fish down, and when it hits the floor, have someone to hear where the sound comes from and drill a hole up from basement ceiling?
Otherwise, I'm not sure how easy to measure the wall as basement is not insluated so it might be a few inches off.
Any help would be greatly appreciated.
Posted 24 January 2008 - 10:32 PM
If the wall has a baseboard try to pull it back and drill a small hole down to the basement up as tight to the wall as possible. Use a stud sensor or knock on the wall to find the center of a bay to locate and drill down.
I use a piece of 1/8" electrical snake about 8" long cut with a sharp edge in my cordless drill chuck.
Once located in the basement measure over a couple of inches to get into the center of the wall and drill up with (diameter bit for your wiring) and get into the wall bay.
Then send a fish tape up from the basement and you will feel or hear it in the wall. Only then, cut in the box.
Works for me everytime.
Posted 25 January 2008 - 02:08 AM
(You'll want 72" as you can also go up to the attic.)
Edited by CollinR, 25 January 2008 - 02:09 AM.
Posted 25 January 2008 - 03:08 AM
Go into the basement and find the hole you drilled above. Measure over two inches so you'll line up INSIDE the wall, and then drill your big hole there. Your drill bit will come thru in the middle of the wall.
You can then fish the wire(s) up that hole and out the hole you made in the drywall where you want to mount the screen.
I did this for nearly every run in my house (drilled up from below):
Posted 25 January 2008 - 08:51 AM
I second the flex drill bit: they're handy to have, and most come with a hook/eylet to then tie a pull string/cable to. I picked one up on eBay for $20-25 shipped IIRC.
Edited by slipnfall, 25 January 2008 - 08:51 AM.
Posted 25 January 2008 - 09:14 AM
Posted 25 January 2008 - 03:48 PM
Posted 25 January 2008 - 04:41 PM
Thank you very much guys, very helpful tips, something I would have never thought! One thing I found out where I want the touchscreen, looks like the ceiling below is where they put all the ducts for furnace! Will have to look around before drilling, or someone will be mad at me
Is your house 2-story? Because if it is, be careful that there isn't a cold-air-return going through that wall. In our house, the only way to tell it's a cold air return is by the hole bored out in the top and bottom of the stud, and then you can follow where it goes. But if you have an AC duct directly below that stud bay, check that no HVAC pipe is actually connected there, or it could be a cold air return, which you wouldn't want to open up.
Posted 31 January 2008 - 06:39 AM
General HA wiring.
Basically have a "run" of cables which go from the basement to the attic. In order to get them to run I drilled up from the basement into the first floor. That wall near the top I have an 8" speaker which I use for HA. On the second floor near the bottom on the floor I cut a 2' X 2' access panel. This is in one of the bedrooms and I made the panel aestically pleasing. At the top of that wall I have another HA speaker. In the attic I put a 2"X4" piece of wood to the roof. My attic allows me to stand up in that the center is over 6' in height. The hardest to deal with is the run from the first floor to the second floor. It is over 12".
This run of cables has multiple CAT5 cables (different colors) used for Network (including POE), alarm, temperature sensors, serial connections, etc. It has multiple 4 wire cables used for audio, multiple RG6 used for cable, RF, satellite.
Touch screens - I use multiple setups -
#1 was an experiment. It is an all in one 12-13" screen integrated into a 2.5' wall in the living room. It looks nice but I circumventing some basic "rules" in getting it there. This wall is a plumbing combo, stack, return and supply wall being about 8 foot wide X 8 foot high X 2.5' thick.
Garage touch screen - easy because of WAF - I have an 8" touch screen here connected to a mini PC in the basement. I passed a VGA, USB, power (12VDC) and audio in a run less than 5 feet. The mini PC is a 1.4 Celeron about 8"x8"X2". It runs 24/7.
Main floor touch screens - passing same as garage using same type of PC down to basement.
2nd floor touch screens - same as above but PC's in attic.
Experimenting with 9 pin to 15 pin to Cat5 VGA cables - works and allows small holes - so use Cat5to9PinRS232 connected to a 9PINto15PIN adapter. Works.
Personally I do not watch much TV.
In the kitchen Combo TV/PC - similar but different. The Kitchen LCD is a 15" flip down (from counter), It is used for "in house video" (TIVO etc), it has its own DTV box and it recieves direct RF TV. In addition it is a VGA monitor. This is connected to same micro PC mounted in the basement with a small wireless keyboard. This run is using a "Rapid Run combo VGA/Audio 10' cable" - this allows a small .5" hole for the VGA video run. Only future clean up may be moving the DTV box away from the kitchen counter to inside lower cabinet and using an RF blaster. (already using an RF blaster for Tivo here).
Working on a second combo TV/PC for dining area of kitchen - this would be same similar setup to counter but would be a 19-21 inch LCD combo LCD mounted on the wall at kitchen dining room table height on a small angled wall which faces the table. This is a bit more difficult because it is an outside wall.
I have tended to drift from original topic and rambled a bit....
Edited by petec, 31 January 2008 - 06:41 AM.
Posted 31 January 2008 - 09:24 AM
I wired for 4 touchscreens. One is in the kitchen, directly above the wiring room, so I bought a 50' VGA cable so I could run it directly from the PC. (It's too long by about half, but it will work, I've already tried it). But I had to drill quite the hole to get that connector up through.
So, passing VGA signals over cat5 is a simple wiring issue? That's good to know, because in my other 3 touchscreen locations, they have cat5 runs to them, but no VGA cables (they're currently slated to get Fujitsu touchpads, so they don't need VGA).
Posted 31 January 2008 - 01:58 PM
How do you get a VGA connector through a 1/2" hole??
You don't pass the connector. You either use CAT5
- CAT5==>RJ45-DB9 and DB9-HD15 connector - may have some noise with using only 9 wires but it works - very cheap - the DB9-RJ45 is less than $3 and teh DB9toHD15 is also less than $3.
use a "rapidrun" cable - just recently purchased a 10ft one with a VGA/Stereo Audio on one side with just a connector on the other side. (this is 1/2")
Posted 11 February 2008 - 09:54 PM
Posted 11 February 2008 - 10:08 PM
Oh, you are the king!
Garage touch screen - easy because of WAF - I have an 8" touch screen here connected to a mini PC in the basement.
Posted 12 February 2008 - 10:29 PM
How do you put pressure on it to drill through what i assume to be a 2x4 on the flat on top of the floor if the drill bit is flexibile. Maybe i'm just not understanding how this works.
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