High Voltage Danger Sign - Electrical Safety Warning Label #3258479 (License: Personal Use)

The image shows a standardized safety warning sign with a red oval “DANGER” header on a black background, followed by bold black uppercase text stating “HIGH VOLTAGE INSIDE DO NOT OPEN” on a white field. The design follows ANSI Z535 and OSHA standards for high-risk electrical hazards, ensuring immediate recognition and compliance. Its high-contrast color scheme and sans-serif typography maximize legibility from a distance.

Used on electrical panels, transformer cabinets, switchgear, and industrial equipment to prevent accidental access to live components; targets maintenance personnel, electricians, and facility managers seeking hazard awareness and regulatory compliance.