This is the only one I read that has anything to do with powerline trails .
§ 14‑134.2. Operating motor vehicle upon utility easements after being forbidden to do so.
If any person, without permission, shall ride, drive or operate a minibike, motorbike, motorcycle, jeep, dune buggy, automobile, truck or any other motor vehicle, other than a motorized all terrain vehicle as defined in G.S. 14‑159.3, upon a utility easement upon which the owner or holder of the easement or agent of the owner or holder of the easement has posted on the easement a "no trespassing" sign or has otherwise given oral or written notice to the person not to so ride, drive or operate such a vehicle upon the said easement, he shall be guilty of a Class 3 misdemeanor, provided, however, neither the owner of the property nor the holder of the easement or their agents, employees, guests, invitees or permittees shall be guilty of a violation under this section. (1975, c. 636, s. 1; 1993, c. 539, s. 75; 1994, Ex. Sess., c. 24, s. 14(c); 1997‑487, s. 2.)