S.C. Code § 1-23-540
The chief judge (Seat 1) shall receive as annual salary equal to ninety percent of that paid to the circuit court judges of this State. The remaining judges shall receive as annual salary equal to eighty percent of that paid to the circuit court judges of this State. They are not allowed any fees or perquisites of office, nor may they hold any other office of honor, trust, or profit. Administrative law judges in the performance of their duties are also entitled to that per diem, mileage, expenses, and subsistence as is authorized by law for circuit court judges.
Each administrative law judge shall devote full time to his duties as an administrative law judge, and may not practice law during his term of office, nor may he during this term be a partner or associate with anyone engaged in the practice of law in this State.
S.C. Code § 1-23-540