How Do You Trench Cable?

When you have to trench 50 or 60'or maybe 150'? We normally get a trencher from Home Depot and trench 18" down. The way I read the NEC, since we are over 30V with POE, we need to be 18" if in conduit.

But sometimes we hit rocks, have to go through areas with tree roots, etc and it becomes an absolute nightmare.

[IPVM Note: Cable Trenching for Surveillance]

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