Engineered for reliability where it matters most, the Sigma Electric ProConnex 3/4 in. D Die-Cast Aluminum Service Entrance Head is the durable entry shield your NM/SE cables deserve. Built to stand up to wet-location exposure, this service entrance head provides a clean, secure transition as conductors enter electrical enclosures, helping to prevent moisture intrusion and conductor strain.
Why this ProConnex head stands out
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Die-cast aluminum construction delivers exceptional strength with lightweight convenience, delivering dependable durability in harsh outdoor or damp environments.
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3/4 in. diameter designed to accommodate standard NM/SE cables, providing a precise, secure fit that minimizes movement and wear.
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NM/SE conduit compatibility tailored for common residential cable types, helping electricians streamline installations without sacrificing performance.
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Wet location rated to withstand moisture exposure at exterior service points, meter bases, or other exposed enclosures.
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Listed safety credentials with UL Listed and CSA Listed markings, offering code-compliant reassurance for professional installations.
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ProConnex by Sigma Electric part of a trusted line known for consistent sizing, material quality, and reliable service entrance solutions.
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Boxed, single-pack packaging keeps installation components protected and organized on the job site.
Ideal use cases
Use this 3/4 in. service head at outdoor service entrances, weather-exposed panels, or any NM/SE routing point where moisture and physical wear are a concern. It’s a practical choice for exterior meters, basements with occasional moisture, or garages where cables enter through damp environments. Electricians and installers will appreciate the straightforward fit and the assurance of a code-compliant, durable entry point.
Key benefits and outcomes
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Enhanced protection shields NM/SE cables from moisture, abrasion, and impact at the entry point into enclosures.
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Long-term reliability corrosion-resistant aluminum construction stands up to outdoor exposure and temperature fluctuations.
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Streamlined compatibility tailored for NM/SE configurations, reducing on-site guesswork and installation time.
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Code-ready safety UL Listed and CSA Listed, giving peace of mind for compliance-focused projects.
Installation insights
Ensure the knockout opening matches the 3/4 in. diameter and secure the head firmly to provide a stable entry point for NM/SE cables. Use appropriate sealing and enclosure fittings as required by local codes for wet-location applications. Leave the assembly accessible for inspection, and verify listing requirements align with your project specifications.
Specifications at a glance
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Material: Die-Cast Aluminum
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Diameter: 3/4 in.
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Conduit compatibility: NM/SE
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Application: Wet Location
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Listings: UL Listed, CSA Listed
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Brand: Sigma Electric, Sub Brand: ProConnex
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Package quantity: 1 per box
Choose the Sigma Electric ProConnex 3/4 in. Die-Cast Aluminum Service Entrance Head to secure NM/SE cables with confidence, backed by durable construction, weather-ready design, and industry-listed safety credentials. A thoughtful, purpose-built solution for reliable service-entry protection in challenging environments.
