J774C_197101 EMERGENCY WARNING DEVICE
Revised
1/1/1971
- Content
- This SAE Recommended Practice establishes performance requirements and related test procedures for emergency warning devices intended for highway use.
- Citation
- SAE International Recommended Practice, EMERGENCY WARNING DEVICE, SAE Standard J774C_197101, Stabilized February 2011, Reaffirmed February 2006, Revised February 2006, https://doi.org/10.4271/J774C_197101.