Do Not Operate Sign - Safety Warning Symbol & Usage Guide #1423736 (License: Personal Use)

This safety sign displays a bold red circle with a diagonal slash-the universal symbol for prohibition-positioned above a red rectangular field containing white sans-serif text reading “Do not operate.” The design follows ISO 7010 and OSHA standards for high visibility and immediate recognition in industrial, laboratory, or maintenance environments. Its purpose is to prevent accidental or unauthorized activation of machinery or systems that could pose hazards.

Used on control panels, machinery, valves, or electrical cabinets where operation must be strictly prohibited during maintenance, repair, or hazardous conditions; matches user intent for safety compliance, risk mitigation, and regulatory adherence.