---
product_id: 26998677
title: "SIGMA ENGINEERED SOLUTIONS ProConnex TC-502 EMT Set Screw Connector 3/4\", Gray, 25-Pack"
brand: "sigma engineered solutions"
price: "401 kr"
currency: DKK
in_stock: true
reviews_count: 8
category: "Sigma Engineered Solutions"
url: https://www.desertcart.dk/products/26998677-sigma-engineered-solutions-proconnex-tc-502-emt-set-screw-connector
store_origin: DK
region: Denmark
---

# Compatible with 3/4-inch EMT conduit Die-cast zinc alloy for durability Tri-combo screws for easy install SIGMA ENGINEERED SOLUTIONS ProConnex TC-502 EMT Set Screw Connector 3/4", Gray, 25-Pack

**Brand:** sigma engineered solutions
**Price:** 401 kr
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with confidence—durability meets precision in every twist!

## Quick Answers

- **What is this?** SIGMA ENGINEERED SOLUTIONS ProConnex TC-502 EMT Set Screw Connector 3/4", Gray, 25-Pack by sigma engineered solutions
- **How much does it cost?** 401 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/26998677-sigma-engineered-solutions-proconnex-tc-502-emt-set-screw-connector)

## 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

- • **Bulk Ready:** 25-pack supply means you’re always prepared for multiple projects or emergency fixes.
- • **Perfect Fit:** Specifically engineered for 3/4-inch EMT conduit and knockouts—no guesswork needed.
- • **Built to Last:** Die-cast zinc alloy ensures rugged, long-term performance you can trust.
- • **Effortless Setup:** Tri-combo screws included for a seamless, no-fuss installation every time.
- • **Certified Confidence:** UL and CSA listings guarantee top-tier safety and compliance for peace of mind.

## Overview

The SIGMA ENGINEERED SOLUTIONS ProConnex TC-502 EMT Set Screw Connector 3/4" 25-pack offers a durable, zinc die-cast construction designed for secure electrical conduit connections. Featuring tri-combo screws for easy installation and compatibility with 3/4-inch EMT conduit and knockouts, this UL and CSA certified connector ensures reliable, code-compliant performance ideal for professional-grade electrical projects.

## Description

Upgrade your electrical installations with the Sigma Engineered Solutions ProConnex TC-502 EMT Set Screw Connector, available in a convenient 25-pack. This connector effectively terminates 3/4-inch EMT conduit to a 3/4-inch knockout in an outlet box or enclosure, providing secure and reliable electrical connections. Featuring a set screw type design with a tri-combo screw, it ensures easy installation and a tight grip.The zinc die-cast construction ensures durability and long-lasting performance, and is concrete-tight, when taped. With UL and CSA listings, this product meets safety standards and ensures peace of mind.

Review: Good quality, outstanding price - Good quality, outstanding price
Review: Very good. - Very good price, works well.

## Features

- DURABLE CONSTRUCTION: Made from die-cast zinc alloy for long-lasting performance.
- EASY INSTALLATION: Tri-combo screws included for convenient installation.
- COMPATIBILITY: Compatible with 3/4-inch EMT Conduit and 3/4-inch knockouts in dry location applications.
- MULTI-PACK: Includes 25 connectors for multiple installations.
- CERTIFIED SAFETY: UL and CSA listed, ensuring compliance with stringent safety standards for peace of mind.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B006VKNFB4 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #191,156 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #269 in Electrical Conduit Fittings |
| Brand | Sigma Engineered Solutions |
| Color | Gray |
| Connector Type | Twist |
| Contact Material | Zinc |
| Customer Reviews | 4.4 4.4 out of 5 stars (98) |
| Date First Available | January 10, 2012 |
| Global Trade Identification Number | 00031857652319 |
| Included Components | Sigma Engineered Solutions Sigma Electric |
| Insulation Material | Non-Insulated |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 2.14 pounds |
| Item model number | TC-502 |
| Manufacturer | Sigma Engineered Solutions |
| Material | Plastic |
| Measurement System | Inch |
| Number of Items | 25 |
| Part Number | TC-502 |
| Product Dimensions | 1.33"L x 1.21"W x 1.31"H |
| Size | No Size |
| Specification Met | UL |
| Temperature Rating | 25 degree celsius |
| Terminal | Screw Terminal |
| Thickness | 5.25 Inches |
| UPC | 031857652319 |
| Unit Count | 25.0 Count |
| Warranty Description | Warranty |

## Product Details

- **Color:** Gray
- **Connector Type:** Twist
- **Contact Material:** Zinc
- **Insulation Material:** Non-Insulated
- **Terminal:** Screw Terminal

## Images

![SIGMA ENGINEERED SOLUTIONS ProConnex TC-502 EMT Set Screw Connector 3/4", Gray, 25-Pack - Image 1](https://m.media-amazon.com/images/I/31HyJsUwb6L.jpg)
![SIGMA ENGINEERED SOLUTIONS ProConnex TC-502 EMT Set Screw Connector 3/4", Gray, 25-Pack - Image 2](https://m.media-amazon.com/images/I/41MtaYt+XYL.jpg)
![SIGMA ENGINEERED SOLUTIONS ProConnex TC-502 EMT Set Screw Connector 3/4", Gray, 25-Pack - Image 3](https://m.media-amazon.com/images/I/41P6ioUr+SL.jpg)
![SIGMA ENGINEERED SOLUTIONS ProConnex TC-502 EMT Set Screw Connector 3/4", Gray, 25-Pack - Image 4](https://m.media-amazon.com/images/I/41bWRS9tT8L.jpg)
![SIGMA ENGINEERED SOLUTIONS ProConnex TC-502 EMT Set Screw Connector 3/4", Gray, 25-Pack - Image 5](https://m.media-amazon.com/images/I/41dRJuRxPKL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality, outstanding price
*by M***K on November 25, 2025*

Good quality, outstanding price

### ⭐⭐⭐⭐⭐ Very good.
*by B***G on September 24, 2024*

Very good price, works well.

### ⭐⭐⭐⭐⭐ Nice diecast fittings. They do what they are supposed to.
*by J***. on December 31, 2022*

Being a Diecast metal, it is prudent to debur the box end to avoid damaging wire insulation when pulling wire through them.

## Frequently Bought Together

- SIGMA ENGINEERED SOLUTIONS ProConnex TC-502 EMT Set Screw Connector 3/4", Gray, 25-Pack
- Sigma Engineered Solutions Sigma Electric ProConnex TC-512 EMT Set Screw Coupling 3/4-Inch, 25-Pack, No Size, Gray
- SIGMA ENGINEERED SOLUTIONS ProConnex 1902 EMT One-Hole Strap, 3/4-Inch, 50-Pack (Gray)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-29*