Inspections and Tests | Midpage

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Code of Federal Regulations

ECFRc7d7fe2801d0b7b

Inspections and Tests

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