U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 49Chapter IIPart 236Subpart E - Subpart E—Automatic Train Stop, Train Control and Cab Signal Systems
View all text of Subpart E [§ 236.501 - § 236.590]
§ 236.551 - Power supply voltage; requirement.

The voltage of power supply shall be maintained within 10 percent of rated voltage.

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