With some foresight I had put empty 1-1/2" PVC pipe under the driveway and
capped it, in case I ever had to run wire -- and now I do.
My question now is how to reasonably seal the ends of the conduit once I've
run wire into it. It's bury-able wire, but I don't want to leave the ends
of the conduit open and have it fill up at the ends with mud and dirt,
thereby creating a problem if I want to run more wire in the future.
Thanks in advance to anyone who offers ideas or solutions.
That's a big pipe under a driveway. We normally have 1/2 - 3/4 inch
If the caps are still on, drill a hole on the cap top/end large enough
for the wire, pulled the wire and caulk with silicone around the exit.
2 cents :)
Keep the caps and drill a hold through them. The when installing the
wire, thread it through the caps. Replace the caps. Then seal with
caulk. Let the caulk dry out. Then cover up with earth.
If you do anything with the existing caps, don't drill holes in them, cut
slots in them, then silicone makes a nice plug that doesn't adhere
particularly well to the pvc, so it can be removed in the future
I did the same thing.....
I didn't do any of the things listed here to seal the ends--- I
up some Walmart plastic bags and stuffed them in each end. A couple
years later, when I wanted to add a small water line for a sprinkler
I just dug up a hole around each end and pulled the plastic bags out
ran my pipe thru. Then I stuffed the plastic bags back in each end
covered them up again...
Another year later, I wanted to add some outdoor lighting.... I
around the ends again, pulled the crumpled plastic out from each end,
and ran my 20-2wg UF wire thru it. Then I stuffed the plastic back
No point getting exotic about this. All you want to do is keep
from filling up with dirt.. My way is simple, cheap, and works
Andy in Eureka, Texas
Don't forget to add (or replace) the pull string with whatever you put
in there. Adding a wire to an existing conduit that already has one wire
is a bitch, otherwise. One of those polypropylene yellow ropes from the
discount store works great- cheap,small diameter, strong enough, doesn't
S. Barker wrote:
> take two new caps and drill them to just fit your cable. Then, you can
> silicone the caps partway full and glue them back on.
Non continuous conduit should terminate in a ground box. They're made
from very thick plastic or concrete. Before installation you excavate a
large hole underneath them and fill it with small stone. That gives any
water a place to drain away. You run the cable to the box, then through
the conduit, then out of the other box. What you seal up is were it
enters the ground box.
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