Subjgrp 86. Maintenance Standards
- § 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.