North Carolina General Statutes Chapter 148. State Prison System § 148-23. Prison employees not to use intoxicants, narcotic drugs or profanity

No one addicted to the use of alcoholic beverages, or narcotic drugs, shall be employed as superintendent, warden, guard, or in any other position connected with the Division of Prisons of the Department of Adult Correction, where such position requires the incumbent to have any charge or direction of the prisoners; and anyone holding such position, or anyone who may be employed in any other capacity in the State prison system, who shall come under the influence of alcoholic beverages during hours of employment, or reports for duty under the effect of intoxicants, or narcotic drugs, or who shall become intoxicated, or uses narcotic drugs, under circumstances that bring discredit on the Division of Prisons of the Department of Adult Correction, shall be subject to immediate dismissal from employment by any of the institutions and shall not be eligible for reinstatement to such position or be employed in any other position in any of the institutions. Any superintendent, warden, correctional officer, supervisor, or other person holding any position in the Division of Prisons of the Department of Adult Correction who curses a prisoner under his charge shall be subject to immediate dismissal from employment and shall not be eligible for reinstatement.