N.C. Gen. Stat. § 7B-1902
In the case of any juvenile alleged to be within the jurisdiction of the court, when the court finds it necessary to place the juvenile in custody, the court may order that the juvenile be placed in secure or nonsecure custody pursuant to criteria set out in G.S. 7B-1903.
Any district court judge may issue secure and nonsecure custody orders pursuant to G.S. 7B-1903. The chief district court judge may delegate the court's authority to the chief court counselor or the chief court counselor's counseling staff by administrative order filed in the office of the clerk of superior court. The administrative order shall specify which persons may be contacted for approval of a secure or nonsecure custody order. The chief district court judge shall not delegate the court's authority to detain or house juveniles in holdover facilities pursuant to G.S. 7B-1905 or G.S. 7B-2513.
Any superior court judge may issue a secure custody order pursuant to G.S. 7B-1903 when a juvenile matter that has been transferred to superior court is remanded to district court pursuant to G.S. 7B-2200.5(d).
N.C. Gen. Stat. § 7B-1902