S.C. Code Regs. § § 61-93.1600.1602
Each Facility shall develop and implement a written preventive maintenance program for all fire alarm, electrical, mechanical, plumbing, fire protection systems and for all equipment and supplies including, but not limited to, all Patient monitoring equipment, isolated electrical systems, conductive flooring, Patient grounding systems, and medical gas systems. Facilities shall check and/or test this equipment at intervals ensuring proper operation and state of good repair. After repairs and/or alterations to any equipment or system, the Facility shall thoroughly test the equipment or system for proper operation before returning it to service. The Facility shall maintain records for each piece of emergency equipment to indicate its history of testing and maintenance.
S.C. Code Regs. § 61-93.1600.1602