S.C. Code Ann. § 4-23-490

All members of the truck company or fire districts, employees or volunteers may direct and control traffic at the scene of any fire in the area of the county and enforce the laws of this State relating to the following of fire apparatus, the crossing of fire hose and interfering with firemen in the discharge of their duties in connection with a fire in the same manner as provided for the enforcement of such laws by law enforcement officers.