Clarion CEO and chair of the ANSI Z535 committee Geoffrey Peckham explains the use of colors and signal words like danger, warning, and caution in safety signage.

Interview conducted by Patrick Beck, www.ClarionSafety.com. Written, shot, and directed by Christopher King, www.EndlessEcho.com. Animations by Ross Charnock. Transcript by Jessica Nel. Music by Simon Wilkinson (“Theory of Time”), www.TheBlueMask.com.