beginning in 1978, sought to have plastic conduit
approved by the
The plastic conduit
tends to lean in toward the beds where it's inserted into the soil, because of the forces against it.
The plastic conduits
have a pre-molded slit, allowing them to snap over the wire.
This apparently was what was alleged in Indian Head,(15) in which the producers of metal electrical conduit were alleged to have manipulated the National Fire Protection Association (NFPA) standard for electrical conduit in order to limit the use of plastic conduit
, which was a lower cost alternative in some applications.
is less expensive, lighter and much easier to work with.
* Plastic conduit
is easy to use inside and outside.
Directionally drilled bore holes, lined with plastic conduit
in which cable is placed, bypasses the sea-to-shore interface and high-energy surf zones which pose the greatest hazards to cable during a shore landing.
Underground cables must be armoured, or buried at least 20in deep and run through a tough plastic conduit
Burglars can easily find a house key hidden under a mat or over the door molding, but they'll never think to look inside plastic conduit
. Just glue 1/2-in.
But things like drip edges, flashing, plastic conduit
or siding will all flop around and get damaged on the way home.