--- product_id: 23587665 title: "Sigma ProConnex C-500 3/8\" NM/SE Clamp Type Connector, 100-Pack" brand: "sigma engineered solutions" price: "HK$865" currency: HKD in_stock: true reviews_count: 13 category: "Sigma Engineered Solutions" url: https://www.desertcart.hk/products/23587665-sigma-proconnex-c-500-3-8-nm-se-clamp-type store_origin: HK region: Hong Kong --- # 100-pack bulk convenience Tri-combo screws for easy install Zinc die-cast durability Sigma ProConnex C-500 3/8" NM/SE Clamp Type Connector, 100-Pack **Brand:** sigma engineered solutions **Price:** HK$865 **Availability:** ✅ In Stock ## Summary > ⚡ Connect with confidence—power your projects like a pro! ## Quick Answers - **What is this?** Sigma ProConnex C-500 3/8" NM/SE Clamp Type Connector, 100-Pack by sigma engineered solutions - **How much does it cost?** HK$865 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/23587665-sigma-proconnex-c-500-3-8-nm-se-clamp-type) ## 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:** 100 connectors per pack keep your projects flowing and your toolkit fully stocked. - • **Built to Last:** Robust zinc die-cast construction ensures long-term reliability on every job site. - • **Versatile Fit:** Compatible with multiple NM cable sizes and flexible cords, adapting to diverse wiring needs. - • **Certified Safe:** UL and CSA listings guarantee compliance with top safety standards for peace of mind. - • **Effortless Setup:** Tri-combo screws included for quick, hassle-free installation—save time and frustration. ## Overview The Sigma ProConnex C-500 3/8" NM/SE Clamp Type Connector 100-Pack offers durable zinc die-cast construction, versatile compatibility with various NM cables and flexible cords, and easy installation with tri-combo screws. UL and CSA certified, this bulk pack is designed for professional-grade electrical connections, ensuring safety and efficiency across multiple installations. ## Description Upgrade your electrical installations with the Sigma Engineered Solutions ProConnex C-500 NM/SE 3/8-Inch Clamp Type Connector. This pack of 100 connectors offers a convenient solution for terminating NM cable or flexible cord to a 1/2-inch knockout, ensuring secure and reliable connections. Designed to accommodate one 14/2-10/3 NM cable or 0.29-inch-0.45-inch flexible cord. It also fits multiple two and three NM cable configurations, providing versatility for various wiring setups. Constructed from durable zinc die-cast material and equipped with tri-combo screws, these connectors ensure longevity and ease of installation. With UL and CSA listing, you can trust the safety and reliability of this product for your electrical projects. Review: Great price - Just as good quality as box stores at a better price. Review: Solid Connectors for Everyday Electrical Work - These clamp-style connectors fit properly, tighten down securely, and are easy to work with in the field. The screws thread smoothly, and the connectors hold the cable firmly without a lot of fuss. The 100-pack is convenient for keeping the shop and service trucks stocked. They are straightforward, dependable connectors that do the job. ## Features - DURABLE CONSTRUCTION: Made from zinc die-cast for long-lasting performance - EASY INSTALLATION: Tri-combo screws included for convenient installation - VERSATILE COMPATIBILITY: Suitable for: One 14/2-10/3 NM cable; Two 14/2, 12/2, 12/3, 10/2 NM cable; Three 14/2 NM cable; 0.29-inch-0.45-inch flexible cord; Terminates NM cable or flexible cord to a 1/2-inch knockout, fitting various cable and cord sizes; 2 and 3 cable compatible - MULTI-PACK: Includes 100 clamp type 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 | B006VWY4K8 | | Best Sellers Rank | #109,734 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #143 in Electrical Conduit Fittings | | Brand Name | Sigma Engineered Solutions | | Color | Gray | | Connector Gender | Female | | Connector Type | Clamp | | Contact Material | Die-cast Zinc | | Customer Reviews | 4.8 out of 5 stars 662 Reviews | | Gauge | 14/2, 14/3, 12/2, 12/3, 10/2 AWG | | Global Trade Identification Number | 00031857656508 | | Included Components | Sigma Electric ProConnex C-500 NM/SE Clamp Type Connector 3/8-Inch | | Insulation Material | Non-Insulated | | Insulation Material Type | Non-Insulated | | Item Dimensions L x W x H | 1.17"L x 0.81"W x 1.04"H | | Item Type Name | Sigma Electric ProConnex C-500 NM/SE Clamp Type Connector 3/8-Inch, 100-Pack | | Manufacturer | Sigma Engineereed Solutions | | Material | Zinc | | Material Type | Zinc | | Maximum Voltage | 120 volts | | Model | C-500 | | Number of Items | 100 | | Part Number | C-500 | | Stud Size | 3/8 | | Terminal | Screw Terminal | | UPC | 031857656508 | | Unit Count | 1 Count | | Warranty Description | Warranty | | Wire Diameter | 0.45 inches | ## Product Details - **Color:** Gray - **Connector Type:** Clamp - **Contact Material:** Die-cast Zinc - **Insulation Material:** Non-Insulated - **Terminal:** Screw Terminal ## Images ![Sigma ProConnex C-500 3/8" NM/SE Clamp Type Connector, 100-Pack - Image 1](https://m.media-amazon.com/images/I/71GqFFdJHyL.jpg) ![Sigma ProConnex C-500 3/8" NM/SE Clamp Type Connector, 100-Pack - Image 2](https://m.media-amazon.com/images/I/81oxw3hnzqL.jpg) ![Sigma ProConnex C-500 3/8" NM/SE Clamp Type Connector, 100-Pack - Image 3](https://m.media-amazon.com/images/I/81rsDQxrXDL.jpg) ![Sigma ProConnex C-500 3/8" NM/SE Clamp Type Connector, 100-Pack - Image 4](https://m.media-amazon.com/images/I/71O0HXRh-7L.jpg) ![Sigma ProConnex C-500 3/8" NM/SE Clamp Type Connector, 100-Pack - Image 5](https://m.media-amazon.com/images/I/71y2t6uYchL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great price *by C***G on July 27, 2026* Just as good quality as box stores at a better price. ### ⭐⭐⭐⭐⭐ Solid Connectors for Everyday Electrical Work *by D***L on July 15, 2026* These clamp-style connectors fit properly, tighten down securely, and are easy to work with in the field. The screws thread smoothly, and the connectors hold the cable firmly without a lot of fuss. The 100-pack is convenient for keeping the shop and service trucks stocked. They are straightforward, dependable connectors that do the job. ### ⭐⭐⭐⭐⭐ Good price.. *by S***Y on November 20, 2025* Good quality. ## Frequently Bought Together - SIGMA ENGINEERED SOLUTIONS ProConnex C-500 Clamp Type Connector NM/SE 3/8" 100-Pack - 1000 Pcs Blue Wire Caps Electrical Wire Connector Screw Nuts Terminal (AWG 22-14) - Crweety 600PCS Wire Connectors Nuts 18-16 AWG Electric Wire Caps Insulating Insert Twist Electrical Wire Connectors Orange Wire Assortment Nuts for Quick Connection --- ## 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.hk/products/23587665-sigma-proconnex-c-500-3-8-nm-se-clamp-type](https://www.desertcart.hk/products/23587665-sigma-proconnex-c-500-3-8-nm-se-clamp-type) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-09-28*