INSPECTIONS AND TESTS
- Section 234.247 - Purpose of inspections and tests; removal from service of relay or device failing to meet test requirements
- Section 234.249 - Ground tests
- Section 234.251 - Standby power
- Section 234.253 - Flashing light units and lamp voltage
- Section 234.255 - Gate arm and gate mechanism
- Section 234.257 - Warning system operation
- Section 234.259 - Warning time
- Section 234.261 - Highway traffic signal pre-emption
- Section 234.263 - Relays
- Section 234.265 - Timing relays and timing devices
- Section 234.267 - Insulation resistance tests, wires in trunking and cables
- Section 234.269 - Cut-out circuits
- Section 234.271 - Insulated rail joints, bond wires, and track connections
- Section 234.273 - Results of inspections and tests