N.C. Gen. Stat. § 123-1: Senate is court of impeachment; quorum.

The court for the trial of impeachments shall be the Senate. A majority of the members shall be necessary to constitute a quorum. (Const., art. 4, s. 3; 1868-9, c. 168, s. 1; Code, ss. 2923, 2924; Rev., s. 4623; C.S., s. 6244.)