The design element library "ISO 7010 fire safety signs" contains 8 red square fire protection symbols for developing the fire escape plans using ConceptDraw PRO software.
"ISO 7010 is an International Organization for Standardization technical standard for graphical symbols on hazard and warning signs." [ISO 7010. Wikipedia]
The symbols example "Design elements - ISO 7010 fire safety signs" is included in the Fire and Emergency Plans solution from the Building Plans area of ConceptDraw Solution Park.