S.C. Code Regs. § § 61-97.1600.1602
A written preventive maintenance program for all fire alarm, electrical, mechanical, plumbing, fire protection systems, and for all equipment used in dialysis and related procedures including, but not limited to, all Patient monitoring equipment, isolated electrical systems, conductive flooring, Patient ground systems, and medical gas systems shall be developed and implemented. This equipment shall be checked and/or tested at such intervals to ensure proper operation and a state of good repair. After repairs and/or alterations are made to any equipment or system, the equipment or system shall be thoroughly tested for proper operation before returning it to service. Records shall be maintained on each piece of equipment to indicate its history of testing and maintenance. (II)
S.C. Code Regs. § 61-97.1600.1602