--- product_id: 336353042 title: "Sigma Electric ProConnex 42400 Intersystem Bonding Bridge, 1-Pack" brand: "sigma engineered solutions" price: "388 kr" currency: NOK in_stock: true reviews_count: 5 category: "Sigma Engineered Solutions" url: https://www.desertcart.no/products/336353042-sigma-electric-proconnex-42400-intersystem-bonding-bridge-1-pack store_origin: NO region: Norway --- # Mounts up to 4 systems Zinc die-cast + stainless steel hardware Weatherable polycarbonate cover Sigma Electric ProConnex 42400 Intersystem Bonding Bridge, 1-Pack **Brand:** sigma engineered solutions **Price:** 388 kr **Availability:** ✅ In Stock ## Summary > ⚡ Ground your systems like a pro—reliability you can’t afford to miss! ## Quick Answers - **What is this?** Sigma Electric ProConnex 42400 Intersystem Bonding Bridge, 1-Pack by sigma engineered solutions - **How much does it cost?** 388 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/336353042-sigma-electric-proconnex-42400-intersystem-bonding-bridge-1-pack) ## Best For - sigma engineered solutions enthusiasts ## Why This Product - Trusted sigma engineered solutions brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Code-Ready Compliance:** Meets 2011 NEC 250.94 standards and cULus listed—trusted by inspectors and pros alike. - • **Built to Brave the Elements:** Durable weather-resistant polycarbonate cover protects your investment rain or shine. - • **Quick Lay-In Lug Installation:** Designed for fast, hassle-free setup—get your project grounded without delay. - • **Premium Zinc Die-Cast Durability:** Robust zinc die-cast body paired with stainless steel hardware ensures long-lasting corrosion resistance. - • **Effortless Multi-System Grounding:** Securely bond up to four systems at a single grounding point for ultimate electrical safety. ## Overview The Sigma Electric ProConnex 42400 Intersystem Bonding Bridge is a compact, high-performance grounding solution designed for residential and commercial use. It supports bonding up to four systems with a #6 to #2 AWG main grounding range and #14 to #4 AWG auxiliary grounding range. Featuring a weather-resistant polycarbonate cover, zinc die-cast construction, and stainless steel hardware, it ensures durability and compliance with 2011 NEC 250.94 standards. Easy to install with a lay-in style lug, this cULus listed product is a cost-effective, inspector-approved choice for professional-grade electrical grounding. ## Description Sigma's Intersystem Bonding Bridge is used in residential and commercial applications to ground up to four systems to a single location. It meets the 2011 NEC Article 250.94 and is for #6 to #2 AWG main grounding range and #14 to #4 AWG auxiliary grounding range. Review: Good units for the price - If you need to bond different parts together to a common ground, this does the job. Far less expensive than the alternatives. Review: Good bonding bridge - Good value for the cost easy install my township electrical inspector is requiring 2 ground rods and a bridge on every house to get a CO my local hardware store was sold out but desertcart came to the rescue the only thing is just a heads up does not come with mounting hardware not a deal breaker but if you are on the job bring screws to mount it ## Features - Mounts directly to grounding electrode conductor to ground up to four systems to a single location - Lay-in style lug for easy installation - Includes weatherable polycarbonate cover - Zinc die-cast construction with stainless steel hardware - Product is cULus listed and meets 2011 NEC 250.94 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B006VX3RVO | | Brand | Sigma Engineered Solutions | | Brand Name | Sigma Engineered Solutions | | Color | Gray | | Colour | Gray | | Connector Type | Tee | | Connector type | Tee | | Customer Reviews | 4.8 out of 5 stars 126 Reviews | | Exterior Finish | Zinc | | Global Trade Identification Number | 00031857424008 | | Included Components | Sigma Electric ProConnex 42400 Intersystem Bonding Bridge, 1-Pack | | Item Dimensions | 10.8 x 3.3 x 4.4 centimeters | | Item Type Name | Sigma Electric ProConnex 42400 Intersystem Bonding Bridge, 1-Pack | | Item Weight | 136 g | | Item dimensions L x W x H | 10.8 x 3.3 x 4.4 centimeters | | Manufacturer | Sigma Electric | | Manufacturer Part Number | 42400 | | Material | Stainless Steel | | Material Type | Stainless Steel | | Model Number | 42400 | | Number of Packs | 1 | | Number of Pieces | 1 | | Size | One Size | | Thread Type | NPT | | UPC | 031857424008 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Sigma Engineered Solutions - **Colour:** Gray - **Item dimensions L x W x H:** 10.8 x 3.3 x 4.4 centimeters - **Material:** Stainless Steel - **Size:** One Size ## Images ![Sigma Electric ProConnex 42400 Intersystem Bonding Bridge, 1-Pack - Image 1](https://m.media-amazon.com/images/I/61RnKqYdSLL.jpg) ![Sigma Electric ProConnex 42400 Intersystem Bonding Bridge, 1-Pack - Image 2](https://m.media-amazon.com/images/I/61oM+0m7CKL.jpg) ![Sigma Electric ProConnex 42400 Intersystem Bonding Bridge, 1-Pack - Image 3](https://m.media-amazon.com/images/I/71GqBre4xEL.jpg) ![Sigma Electric ProConnex 42400 Intersystem Bonding Bridge, 1-Pack - Image 4](https://m.media-amazon.com/images/I/71rvKersZvL.jpg) ![Sigma Electric ProConnex 42400 Intersystem Bonding Bridge, 1-Pack - Image 5](https://m.media-amazon.com/images/I/71GCQBhLHvL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good units for the price *by P***. on 8 December 2024* If you need to bond different parts together to a common ground, this does the job. Far less expensive than the alternatives. ### ⭐⭐⭐⭐⭐ Good bonding bridge *by J***2 on 31 March 2023* Good value for the cost easy install my township electrical inspector is requiring 2 ground rods and a bridge on every house to get a CO my local hardware store was sold out but amazon came to the rescue the only thing is just a heads up does not come with mounting hardware not a deal breaker but if you are on the job bring screws to mount it ### ⭐⭐⭐⭐⭐ Work perfect *by A***N on 22 March 2026* Good --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.no/products/336353042-sigma-electric-proconnex-42400-intersystem-bonding-bridge-1-pack](https://www.desertcart.no/products/336353042-sigma-electric-proconnex-42400-intersystem-bonding-bridge-1-pack) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-16*