49 CFR § 236.723 Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances

§ 236.723 Circuit, double wire; line.

Current through Sep 25, 2026 · Read all of Part 236

An electric circuit not employing a common return wire; a circuit formed by individual wires throughout.

← § 236.722 Circuit, cut-in.§ 236.724 Circuit, shunt fouling. →