Custom Junction Boxes
Built to spec. Quoted without friction.
Standard or custom builds based on your project requirements.
Get a Fast Quote Now
📋 Simply tell us what you need.
Our team will provide a custom quote — no obligations, no delays.
For more details about our Certified Junction Boxes, you can also call us at (304) 522-8218 or email us at sales@huntingtonsteel.com.
Why Choose Huntington Steel for Your Junction Boxes?
🔹 Made to Fit, Built to Last
Every junction box is fabricated to your exact specifications, reducing jobsite modifications and ensuring smooth installs.
🔹 Code-Compliant + Industrial-Grade Materials
Designed to meet industry standards for safety and performance in tough environments.
🔹 Quick Turnaround, Reliable Delivery
We understand project timelines. Our team delivers when we say we will — and stands behind every product.
🔹 Trusted by Industry Professionals
With over 120 years in steel fabrication, Huntington Steel supports contractors, engineers, and industrial teams across the region and beyond.
Product Overview: Type A and Type B Junction Boxes
Our Junction Boxes are WVDOH and ODOT-certified and purpose-built for bridge parapet wall installations, ensuring compliance with state infrastructure standards.
Type A Junction Box
• Dimensions: 11 1/8” H x 11” W x 9 7/8” D
• Material: ¼” Galvanized Steel
• Weld Type: ¼” Continuous Welds (Outside Only)
• Ground Lug: Included
• Best For: Standard bridge parapet wall installations
Type B Junction Box
• Dimensions: 1’-5 ½” H x 1’-6” W x 7 ¾” D
• Material: ¼” Galvanized Steel
• Weld Type: ¼” Continuous Welds (Outside Only)
• Ground Lug: Included
• Best For: High-capacity parapet wall installations
Applications and Industries Served
Our steel junction boxes are trusted for:
• ✅ Bridge Parapet Wall Installations
• ✅ Highway Lighting Upgrades
• ✅ Bridge Repair & Expansion Projects
• ✅ Infrastructure and Utility Projects
• ✅ OEM and custom equipment builds
• ✅ Manufacturing and processing facilities
Technical Specifications
Our Type A and Type B Junction Boxes share the same high-quality construction, designed for compliance and durability. Below is a detailed specification and comparison for both models.
| Feature | Type A Junction Box | Type B Junction Box |
|---|---|---|
| Dimensions | 11 1/8″ H x 22″ W x 6 1/2″ D | 1’-0” H x 1’-6” W x 7 ¾” D |
| Material | ¼” Galvanized Steel | ¼” Galvanized Steel |
| Weld Type | ¼” Continuous Welds | ¼” Continuous Welds |
| Ground Lug Included | ✔️ Yes | ✔️ Yes |
| Best For | Standard Installations | High-Capacity Installations |
| Certification | WVDOH & ODOT Certified | WVDOH & ODOT Certified |
Compliance & Quality Assurance
Every Huntington Steel Junction Box is built for safety and compliance:
Get Started Now
📞 Call us at 304-522-8218 or fill out the form to request a quote.

