USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Portions of the Department of Transportation are currently in shutdown/furlough status due to a lapse in appropriations. Please continue to monitor this page for updates on DOT’s operating status.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Are pressure gauges the only acceptable means for a visual determination that a fire extinguisher is fully charged?

Section § 393.95: Emergency equipment on all power units.

Guidance Q&A

Question 1: Are pressure gauges the only acceptable means for a visual determination that a fire extinguisher is fully charged?

Guidance: No, as long as there is some means to permit a visual determination that a fire extinguisher is fully charged.

Regulatory Topic: Visual determination that fire extinguisher is charged
Effective Date: Sunday, May 4, 1997
Issued Date: Friday, April 4, 1997