Reddit reviews Tytan International PBT20110TONBC/CTC Big and Round Baler Twine, Orange

This is it. Just make sure you get a conduit diameter that will accommodate the amount of cables you need, or maybe more if there are plans for expansion.

Professional tip: Get Bailing Twine and run it through the conduit before cables. We've used a vacuum on one end to suck the line through. Every time you run a new cable, add some more line that way you always have an easy pull string. However, if you have any sharp corners, its better to add a junction box.