49 C.F.R. § 236.789
Current through September 30, 2024
A relay which will not close its front contacts or open its back contacts, or both, until the expiration of a definite time intervals after the relay has been energized.
49 C.F.R. §236.789
Title 49 - TRANSPORTATIONSubtitle B - OTHER REGULATIONS RELATING TO TRANSPORTATIONChapter II - FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATIONPart 236 - RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCES