National Highway Traffic Safety Administration September 27, 2017 – Federal Register Recent Federal Regulation Documents

Federal Motor Vehicle Safety Standards; Electric-Powered Vehicles: Electrolyte Spillage and Electrical Shock Protection
Document Number: 2017-20350
Type: Rule
Date: 2017-09-27
Agency: National Highway Traffic Safety Administration, Department of Transportation
NHTSA is issuing this final rule to amend Federal Motor Vehicle Safety Standard (FMVSS) No. 305, ``Electric-powered vehicles: Electrolyte spillage and electrical shock protection,'' to adopt various electrical safety requirements found in Global Technical Regulation (GTR) No. 13, ``Hydrogen and fuel cell vehicles,'' and other sources. This final rule updates FMVSS No. 305 using modern and harmonized safety requirements and facilitates the introduction of new technologies, including hydrogen fuel cell vehicles (HFCVs) and 48-volt mild hybrid technologies. This final rule is a deregulatory action. It imposes no costs and adjusts FMVSS No. 305 to give more flexibility to manufacturers not only to use modern electrical safety designs to produce electric vehicles, but also to introduce new technologies to the U.S. market. To expand FMVSS No. 305's performance requirements beyond post-crash conditions, NHTSA adopts electrical safety requirements to protect against direct and indirect contact of high voltage sources during everyday operation of electric-powered vehicles. Also, NHTSA adopts an optional method of meeting post-crash electrical safety requirements, consistent with that in GTR No. 13, involving use of physical barriers to prevent direct or indirect contact (by occupants, emergency services personnel and others) with high voltage sources.
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