---
product_id: 16560936
title: "ProConnex Intersystem Bonding Bridge Conduit Fitting, 1-Pack (Gray)"
brand: "sigma electric"
price: "$67.18"
currency: USD
in_stock: null
url: https://www.desertcart.ec/products/16560936-proconnex-intersystem-bonding-bridge-conduit-fitting-1-pack-gray
store_origin: EC
region: Ecuador
---

# Grounds up to 4 systems simultaneously Lay-in lug for effortless installation Supports #6 to #2 main & #14 to #4 aux wires ProConnex Intersystem Bonding Bridge Conduit Fitting, 1-Pack (Gray)

**Brand:** sigma electric
**Price:** $67.18
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Connect smarter, ground stronger — the pro’s choice for seamless bonding!

## Quick Answers

- **What is this?** ProConnex Intersystem Bonding Bridge Conduit Fitting, 1-Pack (Gray) by sigma electric
- **How much does it cost?** $67.18 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/16560936-proconnex-intersystem-bonding-bridge-conduit-fitting-1-pack-gray)

## Best For

- sigma electric enthusiasts

## Why This Product

- Trusted sigma electric brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Zinc Finish:** Robust zinc exterior ensures long-lasting performance and corrosion resistance.
- • **Multi-System Mastery:** Ground up to four electrical systems in one sleek, space-saving location.
- • **Dual Conductor Approved:** Certified for both solid and stranded copper conductors, maximizing your wiring options.
- • **Effortless Installation:** Lay-in style lug design means no fuss, just fast, reliable connections every time.
- • **Universal Wire Compatibility:** Handles a broad range of conductor sizes from #14 to #2, perfect for diverse setups.

## Overview

The SIGMA ENGINEERED SOLUTIONS ProConnex 42400 is a high-performance intersystem bonding bridge conduit fitting designed to ground up to four systems simultaneously. Featuring versatile compatibility with main ground wires from #6 to #2 and auxiliary wires from #14 to #4, it supports both solid and stranded copper conductors. Its zinc finish ensures durability, while the lay-in lug design guarantees quick, hassle-free installation, making it an essential tool for professional-grade electrical grounding.

## Description

Elevate your electrical installations with the Sigma Engineered Solutions ProConnex 42400 Intersystem Bonding Bridge Conduit Fitting, 1-Pack (Gray), your solution for efficient grounding of multiple systems in a single location. This bonding bridge mounts directly to the grounding electrode conductor, allowing you to ground up to four systems simultaneously. With a main ground wire range from #6 to #2 and an auxiliary ground wire range from #14 to #4, this bonding bridge ensures compatibility with various conductor sizes. The lay-in style lug makes installation a breeze, whether you're working with solid or stranded copper conductors.

## Features

- MULTI-SYSTEM GROUNDING: Mounts directly to the grounding electrode conductor, enabling grounding of up to four systems in one location.
- VERSATILE COMPATIBILITY: Main ground wire range accommodates #6 to #2 conductors, while auxiliary ground wire range handles #14 to #4 conductors.
- EASY INSTALLATION: Lay-in style lug design facilitates easy installation, suitable for solid or stranded copper conductors.
- DUAL CONDUCTOR APPROVAL: Approved for use with both solid and stranded copper conductors for versatility in electrical setups.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size | Intersystem Bonding Bridge Conduit Fitting |
| Material | Zinc |
| Brand | Sigma Electric |
| Color | Gray |
| Item dimensions L x W x H | 4.25 x 1.31 x 1.75 inches |
| Connector Type | Tee |
| Exterior Finish | Zinc |
| Thread Type | NPT |
| Item Weight | 4.8 ounces |
| Number of Pieces | 1 |
| Global Trade Identification Number | 00031857424008 |
| Manufacturer | Sigma Engineered Solutions |
| UPC | 031857424008 |
| Part Number | 42400 |
| Product Dimensions | 4.25 x 1.31 x 1.75 inches |
| Item model number | 42400 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Included Components | Sigma Engineered Solutions ProConnex 42400 Intersystem Bonding Bridge Conduit Fitting, 1-Pack, Gray |
| Batteries Required? | No |
| Warranty Description | Warranty |

## Product Details

- **Size:** Intersystem Bonding Bridge Conduit Fitting
- **Material:** Zinc
- **Brand:** Sigma Electric
- **Color:** Gray
- **Item dimensions L x W x H:** 4.25 x 1.31 x 1.75 inches
- **Connector Type:** Tee
- **Exterior Finish:** Zinc
- **Thread Type:** NPT
- **Item Weight:** 4.8 ounces
- **Number of Pieces:** 1

## Images

![ProConnex Intersystem Bonding Bridge Conduit Fitting, 1-Pack (Gray) - Image 1](https://m.media-amazon.com/images/I/61RnKqYdSLL.jpg)
![ProConnex Intersystem Bonding Bridge Conduit Fitting, 1-Pack (Gray) - Image 2](https://m.media-amazon.com/images/I/61oM+0m7CKL.jpg)
![ProConnex Intersystem Bonding Bridge Conduit Fitting, 1-Pack (Gray) - Image 3](https://m.media-amazon.com/images/I/71GqBre4xEL.jpg)
![ProConnex Intersystem Bonding Bridge Conduit Fitting, 1-Pack (Gray) - Image 4](https://m.media-amazon.com/images/I/71rvKersZvL.jpg)
![ProConnex Intersystem Bonding Bridge Conduit Fitting, 1-Pack (Gray) - Image 5](https://m.media-amazon.com/images/I/71GCQBhLHvL.jpg)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-23*