DANGER High Voltage Area Sign – Authorized Personnel Only – 8x12 Aluminum

Control access and reduce electrical exposure risk with a clear, professional high-voltage warning sign. This Danger High Voltage Area Authorized Personnel Only sign is designed to communicate restricted entry and electrical hazard awareness to employees, contractors, and visitors before they approach energized equipment or enter controlled electrical spaces.

Manufactured from rust-resistant aluminum with UV-resistant printing, it’s built for real-world deployment in industrial conditions including heat, rain, and high humidity. The large, high-contrast layout supports quick recognition from a distance, helping you set expectations, manage perimeter control, and improve compliance in and around high-voltage areas.

Common placements

• Electrical rooms, switchgear rooms, and transformer enclosures
• Substations, utility yards, and fenced electrical areas
• Mechanical rooms, industrial facilities, and control rooms
• Gated access points, doors, and perimeter fencing

Construction features

• Rust-resistant aluminum for long-term outdoor durability
• UV-resistant graphics for lasting readability
• Pre-drilled holes for fast mounting and removal
• Rounded corners for safer handling and a finished look

Operational note: Follow site electrical safety procedures for restricted access, lockout/tagout practices, labeling, and required PPE based on the equipment and task conditions.