S.C. Code Ann. § 40-59-15
A residential specialty contractor is an independent contractor who is not a licensed residential builder, who contracts with a licensed residential builder, general contractor, or individual property owner to do any construction work, repairs, improvement, or reimprovement which requires special skills and involves the use of specialized construction trades or craft, when the undertakings exceed two hundred dollars and are not regulated by the provisions of Chapter 11 of this title.
Residential specialty contractors is limited to: