Subjgrp 87. Inspections and Tests
- § 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.