49 CFR § 236.4 Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances

§ 236.4 Interference with normal functioning of device.

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

The normal functioning of any device shall not be interfered with in testing or otherwise without first taking measures to provide for safety of train operation which depends on normal functioning of such device.

[49 FR 3382, Jan. 26, 1984]

← § 236.3 Locking of signal apparatus housings.§ 236.5 Design of control circuits on closed circuit principle. →