S.C. Code Ann. § 31-17-510
(a) "Travel trailer" means every vehicle designed without motor power to be towed by a motor vehicle and of such size and weight as not to require a special highway moving permit, designed to provide temporary living quarters for recreational, camping, and travel use and designed not to require permanent on-site utilities, including, but not limited to, tent campers, park models, park trailers, motor homes, and fifth wheels. This term may include any vehicle whose body width is not more than eight feet, and whose length is not more than thirty-five feet in the travel mode, and so designed that part of its weight rests on the towing vehicle.
For purposes of titling, the term travel trailer may include motor vehicles where a structure is designed and placed on a frame to be used as temporary living quarters for recreational, camping, or travel use.
(f) "Dealer" or "travel trailer dealer" means any person who sells or attempts to effect the sale of any travel trailer. These terms do not include: