The Sigma Electric ProConnex 1 in. D Die-Cast Zinc Water-Tight Conduit Hub is built to seal and connect rigid or IMC conduits with confidence, indoors or out. This rugged hub combines durability with weatherproof integrity, making it a reliable choice for outdoor electrical enclosures, mechanical rooms, and any wet-location installation.
Why choose the ProConnex 1 in. D Conduit Hub
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Heavy-Duty die-cast zinc construction delivers superior strength, impact resistance, and long-lasting corrosion protection in harsh environments.
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Water-tight design ensures a secure, weatherproof connection between conduit and enclosure in wet locations.
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Versatile conduit compatibility supports both Rigid and IMC conduits, simplifying upgrades or new installations in mixed systems.
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Professional reliability with UL and CSA listings provides confidence for code-compliant electrical work in commercial and residential projects.
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Compact 1-inch size fits standard trade-size openings while delivering a robust seal and easy installation.
Ideal uses and practical scenarios
Designed for wet locations, this hub is perfect wherever outdoor durability matters. Install it on outdoor lighting housings, weatherproof electrical boxes, or indoor/outdoor equipment enclosures that require a tight, water-resistant conduit connection. It’s an excellent fit for renovations, new-builds, or service upgrades where a dependable, weatherproof conduit hub is needed.
Key specifications at a glance
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Brand: Sigma Electric • Sub Brand: ProConnex
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Product Type: Water-Tight Conduit Hub
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Material: Die-Cast Zinc
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Diameter / Trade Size: 1 inch
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Conduit Compatibility: Rigid and IMC
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Location Rating: Wet Location (Indoor and Outdoor)
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Listings: UL Listed • CSA Listed
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Packaging: Boxed • Number in Package: 1
What makes this conduit hub stand out
Beyond the basic function of joining conduit to enclosures, the ProConnex 1 in. D hub delivers tangible, practical advantages: a weatherproof seal designed for outdoor exposure, durable zinc die-cast construction that resists impact and corrosion, and trusted industry listings that support safe, compliant installations. If you’re upgrading from a less robust hub or installing a new outdoor-fed system, this piece provides a dependable, long-term solution that reduces maintenance and rework.
Tips for optimal installation
- Ensure the enclosure knockout is prepared to match the 1-inch trade size for a clean, airtight fit.
- Use proper connectors and gaskets designed for wet-location hubs to maximize water-tight performance.
- Torque uniformly to achieve a consistent seal without over-tightening, which can damage threads.
- Verify compatibility with existing conduits and fittings in your install plan to prevent gaps or misalignment.