The attached document titled "California High-Speed Train Project Traction Power 2x25kV Autotransformer Electrification System, R2" in section 3.2 states [quote="California High-Speed Train Project Traction Power 2x25kV Autotransformer Electrification System, R2]Applicability to U.S. Standards
At this time there are no specific North American Federal or State of California standards or
criteria for 25KV 60 Hertz Autotransformer Feed Type Electrification Systems.[/quote]