DANGER Buried Transmission Line Sign – Call 811 Before Digging – 8x12 Aluminum

This DANGER sign is designed to warn of buried transmission line corridors where excavation can create an explosion hazard and severe incident potential. The sign reinforces contacting 811 before digging and clearly restricts excavation activity to reduce accidental strikes and improve contractor awareness.

Deploy professional-grade signage to support utility corridor safety programs in industrial, municipal, and construction environments.

Common placements

• Utility easements and right-of-way corridors

• Transmission corridor approach points

• Fence lines and access gates

• Construction staging areas

• Property boundaries near corridors

Intended buyers

• Utility operators and contractors

• Excavation and construction companies

• Utility safety managers

• Municipal departments

• Landowners with easements

Construction features

• UV-resistant printing for fade prevention

• Rust-resistant aluminum for durability

• Pre-drilled holes for easy mounting

• Rounded corners for safe handling

• Professional high-contrast design

Operational note: Install at corridor entrances and at intervals along the route where excavation equipment may access the area.

• Marks high-consequence buried line corridors: Warns of buried transmission line hazards where excavation can create an explosion risk.
• Reinforces 811 locate compliance: “CALL 811 BEFORE DIGGING” supports safer planning prior to trenching, boring, or grading.
• Built for outdoor utility environments: Rust-resistant aluminum with UV-resistant printing for long-term field durability.
• Fast installation: Pre-drilled holes and rounded corners support mounting on posts, fences, and access gates.
• Made by CGAP Safety: CGAP Safety is an American safety manufacturer focused on durable, professional-grade signage.