It depends. Experience helps when trying to guess what is going to work
best. Outside walls usually have insulation in them, Inside walls may have
fire stops (not a fatal problem, but it can make it harder). Where is the
wire now? How easy is it to access each area? How easy will it be to work
in each area? Will you be able to get directly above or below the spot you
I would say use the crawlspace for first floor applications and the
attic for the second floor applications.
Measure carefully and locate the headers directly above where you want to
drop your cable then drill a hole about 1/2 inch in diameter and drop a
string with a nail on it or use a wire clothes hanger and push it down
through the hole until you can see or feel it through the opening in the
Attach the cable and pull it down and out the hole in the wall.
On Thu, 01 Sep 2005 20:16:46 -0700, needin4mation wrote:
Either way. In addition to the other's suggestions here, I've used a
specialty drill bit to fish wires (in my case cable and CAT-5). They make
a *long* flexible shaft drill bit for this purpose too. One cuts a hole
for an "old wiring box" and inserts the bit into that hole and drills up
or down, as the case may be. The "plan" is then to hook a mesh widget
around the bit, tie a fish-line to the eyelet at the end of the mesh
thingy, and pull the fish-line back with the bit. The latter part didn't
work so well for me though. I used a fish-tape to find the hole and snake
the line back up. The drill bit worked like a champ though. I bought a
4' one at the BORG for about $20.
On Sat, 03 Sep 2005 07:50:13 -0700, needin4mation wrote:
Cutting a hole in the wall (sheetrock, anyway) is relatively easy. I
don't particularly like keyhole saws because they tend to be a bit on the
coarse side. I've used saber saws with metal (24-32 TPI) blades with musc
success. I now use a Roto-Zip. ;-) BTW, "old wiring" boxes come with a
paper template to get the hole right. Make sure it's in the one you get
(sometimes the fall out).
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