S.C. Code Ann. § 20-7-420
(A) The family court has exclusive jurisdiction:
(2) To hear and determine actions:
For divorce a vinculo matrimonii, separate support and maintenance, legal separation, and in other marital litigation between the parties, and for settlement of all legal and equitable rights of the parties in the actions in and to the real and personal property of the marriage and attorney's fees, if requested by either party in the pleadings.
(18) To make an order for support of a husband or wife and children by his or her spouse, even though he or she may have left the home, in cases where the spouse's conduct or condition or his or her cruel or inhuman behavior made it unsafe or improper for the deserting spouse to continue to live with him or her.
Such orders may require either spouse or any other party to the proceeding:
A. To stay away from the home or from the other or either spouse or children;
B. To permit either spouse to visit the children at stated periods;.
C. To abstain from offensive conduct against the other spouse or either of them, or against the children;
D. To give proper attention to the care of the home;
E. To refrain from acts of commission or omission that tend to make the home not a proper place for the other, or either spouse, or the children.
(31) To require spouse to furnish support or to be liable for nonsupport, as provided above, if, at the time of the filing of the petition for supports: