Trigg Industries supplies complete systems, including detectors, warning signs, alarms, mounting poles and all needed accessories. We build to meet US and International AC power specifications, as well as Solar (DC) configurations.

Trigg Industries offers technical options to meet varying requirements and can provide cost effective solutions for virtually any overheight warning condition. Custom systems can be provided as needed.

Please select from the list below or use the main menu to the left for detailed information.

• Site Selection Considerations
• Detection Concept
• Typical Installations
• Roadway Views
• Z-Pattern® Design Notes
• Z-Pattern® Installation Notes
• Wiring Diagrams and Control Panels
• Speed, Distance and Travel Time Table
• System Power Table
• Voltage Loss Wiring Tables
• NEMA Ratings Table
• Temperature Conversion Table
• Linear Conversion Tables
• Weight Conversion Tables
• Pole Base Flange
• Typical Pole Sway Limits