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Plastic gas pipe as underground conduit

A

Aaron Ford

Well-known Member
I was given three pieces of gas line that if joined would make a really nice underground raceway for my shed power wire. The problem is how do I connect them and still have enough space for the wiring? The bright color would definitely be a plus and the dense plastic would resist shovels, dirt bikes, and all. Does anyone have an input on this? The gas connectors would be nice but they are 77 a piece. Thanks Aaron
 
You are really gonna give someone a heart attack 30 years from now when they are digging and come across that! Officials and response crews just -love- when people use the wrong stuff for the wrong stuff. :)

Paul
 
When I built my workshop over 30 years ago I run my electric through the solid plastic pipe that was used for septic systems. If I ever have to replace wire I would not have any trouble in drawing new wire.
 
Yes, wrap the joints and clamp with SS clamps. Don't worry about water leakage, most all buried conduit winds up full of water anyway. You could even stick the ends of the plastic in short sections of steel pipe and hold it there with the dirt.
 
Some wire is only legal in proper duct. If it is direct bury type wire, any plastic pipe will work. Be sure to use marking tape above the pipe.
Dave
 
Officials????? this is private property, one-call doesn't even locate on private property. Any way, whether it looks like a gas line, or an electrical conduit. The idea is to not cut it. gobble
 
If put in right no water will get into plastic pipe. Mine comes in to basement of house and comes up a foot and half above floor of shop and all joints are glued.
 
(quoted from post at 21:54:31 11/03/15) Officials????? this is private property, one-call doesn't even locate on private property. Any way, whether it looks like a gas line, or an electrical conduit. The idea is to not cut it. gobble
Click to expand...
I agree and one call often misses the spot. Twice this year within a mile of here a water main was cut and a fiberoptic cable was cut. They were off 12' on the water line and 25' on the fiberoptic cable.
 
If it ever has to be inspected,don't do it. It has to be gray for electrical. Dad found that out after he had laid some white PVC in concrete with the intention of running electric wires through it.
 
Dang it. I forgot about the official disclaimers. The wire is suitable for direct burial. It is on private property not subject to electrical inspection. I will be picking up ferncos as that looks to be the cheapest option. The supply side of the pipe will be buried and sealed with duct seal. The load end will be left open for any moisture to be released. The largest danger is soil movement. The yellow plastic would protect the wire and be visible if the wire surfaced.

I wrote a post a few weeks ago about an easy way to get a clutch unstuck but deleted it due to the prevalence of attacks by the "correct" police. Thanks to all that offered a helpful response.

Aaron
 
If the cable is direct burial like a UF you can sleeve it in any pipe you want. If you pulled THHN through that pipe no way- violation. I really don't see a violation in using another trades pipe simply for a protective sleeve.If the cable was direct burial then why would the inspector care if it was sleeved in anything for extra protection. Note ; private property is subject to inspection.
 
When I ran gas and electric to my barn (120'), I had to by a 250' roll of 1 1/4" yellow gas line. I cut the roll in 1/2 and used it for both gas and electric in the same trench (all private property and no inspection). Not sure what I used as couplers (2002), But I can confirm I have 1 1/4 pvc coming out of the ground at each end. Couldn't have been too difficult as I did it. When I was still working, the city put in miles of decorative street lighting in. All of it was standard wiring in either steel or pvc conduit. As long as the wire insulation wasn't damaged, water in the conduit did not effect its performance. Every repair we made underground is where the conduit had been damaged and the wires nicked.
 
Just an update. The wire went in the pipe with no problems. The fact that the pipe was leftover from a gas install meant that it was cut into varying lengths. It was 1 1/4 gas line which fits a 1 1/4 fernco perfectly. I had to use three sections so two ferncos were used. It also made it easy to pull the wire in due to the shorter lengths. The hose clamps were stainless so that wasn't a concern. I also wrapped the connections with 130C tape that I had leftover for additional protection.

Thanks

Aaron
 
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