Sigma Electric ProConnex 1 in. Zinc Insulated Grounding Bushing delivers a dependable, purpose-built solution for insulated grounding paths through 1" conduits. Crafted from durable zinc and designed for reliability in electrical enclosures, this ProConnex bushing combines robust construction with a compact footprint to meet demanding installation needs. UL Listed and CSA Listed, it’s engineered to help you meet code requirements with confidence.
What you get
- Material: Zinc
- Product Type: Insulated Grounding Bushing
- Sub Brand: ProConnex
- Conduit Size: 1"
- Bushing Inside Diameter: 1"
- Bushing Outside Diameter: 1.52"
- Bushing Thickness: 0.07"
- Packaging Type: Bagged
- Number in Package: 1
- Trade Size: 1
- Insulating: Yes
- UL Listed: Yes
- CSA Listed: Yes
Why this insulated grounding bushing matters
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Insulated grounding path ensures reliable separation between the grounded conductor and enclosure metal, reducing the risk of unintended bonding or arcing and maintaining proper grounding continuity.
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Zinc durability provides corrosion resistance and rugged performance in a variety of electrical environments, helping to extend service life in both indoor and challenging installation sites.
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Precisely sized for 1" conduit with a 1" inside diameter and a 1.52" outside diameter, plus a slim 0.07" wall, for a snug, secure fit through panels and enclosures.
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Code-compliant construction with UL and CSA listings means it meets recognized safety and performance standards for professional electrical work.
Ideal use cases
- Bonding and insulating pathways for grounding conductors passing through metal enclosures, service panels, and equipment housings.
- Industrial control panels, electrical closets, and outdoor/controller enclosures where a protected grounding connection is required.
- Renovations or new installations where a compact, reliable 1" conduit through-hole grounding solution is needed.
Practical installation tips
- Verify conduit size (1") and ensure the bushing ID of 1" matches the conductor or grounding conductor you’re routing.
- Take advantage of the bagged packaging for easy stocking and single-pack installations.
- Install through the enclosure opening, seating the bushing flush to ensure a secure, insulated pass-through.
- Pair with compatible lugs or connectors that complement zinc construction to maintain corrosion resistance and grounding integrity.
What makes ProConnex stand out
The Sigma Electric ProConnex line is designed for professionals who value dependable insulation, precise sizing, and reputable listings. With a 1" conduit fit, a zinc body, and built-in insulation, this grounding bushing delivers a straightforward, code-aligned solution that reduces installation guesswork and enhances long-term reliability in electrical systems.
