If the articles of incorporation authorize dividing the shares into classes, the articles also may authorize the election of all or a specified number of directors by the holders of one or more authorized classes of shares. A class of shares entitled to elect one or more directors is a separate voting group for purposes of the election of directors.
Election of directors by certain classes of shareholders
S.C. Code Ann. § 33-8-104, under Title 33, Chapter 8.
S.C. Code Ann. § 33-8-104