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Junction Boxes from Valmont Structures Canada

Traffic Signal Junction Boxes

Plastic underground electrical traffic signal junction boxes are available from Valmont Structures Canada. Boxes are made from structural foam plastic and are stackable, lids are available in galvanized steel or plastic and both boxes and lids are available in a variety of sizes.

Applications include:
• Traffic Light Signals
• Underground Electrical Terminations
• Landscape Irrigation
• Golf Course Irrigation
• Municipal Water
• Plumbing
• Telephone
• Electrical Transmission
• Airport Runway Lighting

See the Junction Box product brochure.

The boxes are approved for use by the BC Ministry of Highways and are tested for H20 loading with a round steel lid.


Large Square Junction Box.


Large Round Junction Box.