FMVSS 305

Electric-Powered Vehicles, Electrolyte Spillage and Electrical Shock Protection*

This Standard applies to MPVs, trucks and buses with a GVWR of 10,000 lbs. (4,536 kg) or less, that use more than 48 nominal volts of electricity as propulsion power and whose speed attainable in one mile (1.6 km) on a paved level surface is more than 25 mph (40 km/h). It specifies requirements for limitation of electrolyte spillage, retention of propulsion batteries during a crash, and electrical isolation of the chassis from the high-voltage system.

*This Standard specifies barrier testing.

Applicability:

Trucks & MPVs 10,000 GVWR or Less Yes
Trucks More than 10,000 GVWR No 
Buses 10,000 GVWR or Less Yes
Buses More than 10,000 GVWR No 
Trailers No 

Read the Complete Standard