Section 1220-04-02-.19 - INTER-EXCHANGE TRUNKS(1) When trunk lines or toll circuits for communication are furnished by one (1) or more telephone utilities between exchanges, the circuits connecting such exchanges shall be non-grounded. No customer's instruments other than toll stations shall be regularly connected thereto.Tenn. Comp. R. & Regs. 1220-04-02-.19
Original rule certified May 9, 1974.Authority: T.C.A. § 65-2-102.