ANSI Z535.2 2011 Edition, January 1, 2011
Environmental and Facility Safety Signs
Published By:National Electrical Manufacturers Association (NEMA)
This standard sets forth requirements for the design, application, and use of safety signs in facilities and in the environment.
The purposes of this standard are to:
a. establish a uniform and consistent visual layout for safety signs to be located in facilities and in the environment;
b. minimize the proliferation of designs for environmental and facility safety signs; and
c. establish a national uniform system for signs that communicate safety information.