SUBPART D—Maintenance, Inspection, and Testing (§234.201 to §234.275)
- 234.201—Location of plans.
- 234.203—Control circuits.
- 234.205—Operating characteristics of warning system apparatus.
- 234.207—Adjustment, repair, or replacement of component.
- 234.209—Interference with normal functioning of system.
- 234.211—Security of warning system apparatus.
- 234.213—Grounds.
- 234.215—Standby power system.
- 234.217—Flashing light units.
- 234.219—Gate arm lights and light cable.
- 234.221—Lamp voltage.
- 234.223—Gate arm.
- 234.225—Activation of warning system.
- 234.227—Train detection apparatus.
- 234.229—Shunting sensitivity.
- 234.231—Fouling wires.
- 234.233—Rail joints.
- 234.235—Insulated rail joints.
- 234.237—Reverse switch cut-out circuit.
- 234.239—Tagging of wires and interference of wires or tags with signal apparatus.
- 234.241—Protection of insulated wire; splice in underground wire.
- 234.243—Wire on pole line and aerial cable.
- 234.245—Signs.
- 234.247—Purpose of inspections and tests; removal from service of relay or device failing to meet test requirements.
- 234.249—Ground tests.
- 234.251—Standby power.
- 234.253—Flashing light units and lamp voltage.
- 234.255—Gate arm and gate mechanism.
- 234.257—Warning system operation.
- 234.259—Warning time.
- 234.261—Highway traffic signal pre-emption.
- 234.263—Relays.
- 234.265—Timing relays and timing devices.
- 234.267—Insulation resistance tests, wires in trunking and cables.
- 234.269—Cut-out circuits.
- 234.271—Insulated rail joints, bond wires, and track connections.
- 234.273—Results of inspections and tests.
- 234.275—Processor-based systems.