49 CFR 236.8 : Transportation (§ 1.1 To Parts 1581-1699) — (§ 200.1 To Parts 273-299) — Other Regulations Relating To Transportation (Continued) (§ 200.1 To Parts 273-299) — Federal Railroad Administration, Department Of Transportation (§ 200.1 To Parts 273-299) — Rules, Standards, And Instructions Governing The Installation, Inspection, Maintenance, And Repair Of Signal And Train Control Systems, Devices, And Appliances (§ 236.0 To Appendix F To Part 236) — Rules And Instructions: All Systems (§ 236.1 To § 236.110) — General (§ 236.1 To § 236.18) — Operating characteristics of electromagnetic, electronic, or electrical apparatus.
4 Aug 2016
Signal apparatus, the functioning of which affects the safety of train operation, shall be maintained in accordance with the limits within which the device is designed to operate.