Its the gray 2" sch 80 electrical conduit plus 2" sch 80 propylene fast line tubing under the floor so no connecting couplings except at the preformed long radius elbows to the riser tubes expensive stuff to buy but for some reason a 100 ft length of it had been left on the property, probably from a previous oilfield test drilling operation. on a neighboring property. yeah I truly am blessed like that.
Pulling the 3ga wire through the line wasn't all that bad I ran my Greenly fish tape through one direction then pulled a 1/2" braided rope back through attached the 3 conductor wires then pulled tension on the rope walked to the other side fed the wire as far as they would go then tighten up the rope again, it went pretty well would have been easier to have had someone pulling the rope or a capstan tugger but its done now and I have power in my machine-shop van once again.
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