Does ANSI have a standard on Safety Signs & Labels?

Answer 1

ANSI accredits the National Electrical Manufacturers Association (NEMA), which in April 1992, published ANSI Z535.4-1991, Product Safety Signs and Labels. This standard is one of a series of standards that includes:

Z535.1, Safety Color Code
Z535.2, Environmental and Facility Safety Signs
Z535.3, Criteria for Safety Symbols
Z535.4, Product Safety Signs and Labels
Z535.5, Accident Prevention Tags (for Temporary Hazards)

Answer 2

Jim said it all Bravo Jim