--- product_id: 371688922 title: "Sigma Electric, Bar Sigma Engineered Solutions Proconnex 41409 Ground Clamp Conduit Fitting for Armored Wire 1/2 to 1-Inch, 1-Pack, Size" brand: "sigma engineered solutions" price: "β‚±5265" currency: PHP in_stock: true reviews_count: 5 category: "Sigma Engineered Solutions" url: https://www.desertcart.ph/products/371688922-sigma-electric-bar-sigma-engineered-solutions-proconnex-41409-ground-clamp store_origin: PH region: Philippines --- # UL & CSA Certified Safety Fits 1/2" to 1" Armored Cable Copper Alloy Durability Sigma Electric, Bar Sigma Engineered Solutions Proconnex 41409 Ground Clamp Conduit Fitting for Armored Wire 1/2 to 1-Inch, 1-Pack, Size **Brand:** sigma engineered solutions **Price:** β‚±5265 **Availability:** βœ… In Stock ## Summary > πŸ”§ Ground your projects with confidence β€” the pro’s choice for flawless connections! ## Quick Answers - **What is this?** Sigma Electric, Bar Sigma Engineered Solutions Proconnex 41409 Ground Clamp Conduit Fitting for Armored Wire 1/2 to 1-Inch, 1-Pack, Size by sigma engineered solutions - **How much does it cost?** β‚±5265 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/371688922-sigma-electric-bar-sigma-engineered-solutions-proconnex-41409-ground-clamp) ## 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 - β€’ **Compact & Lightweight Build:** At just 91g and small dimensions, it’s easy to install in tight spaces without compromising strength. - β€’ **Innovative Dual Clamp Design:** Double ground wire clamps provide enhanced security and stability, minimizing resistance and maximizing safety. - β€’ **Versatile Fit for Armored Wire:** Securely clamps armored cables from 1/2" to 1", accommodating No.8 to No.4 AWG sizes with ease. - β€’ **Unmatched Grounding Reliability:** Copper alloy ensures superior conductivity and corrosion resistance for a fail-proof ground connection. - β€’ **Certified for Safety & Compliance:** UL and CSA listings guarantee industry-standard safety and performance you can trust. ## Overview The Sigma Electric Proconnex 41409 Ground Clamp is a premium copper alloy conduit fitting designed for armored wire sizes 1/2" to 1" (No.8 to No.4 AWG). UL and CSA certified, it offers exceptional grounding reliability with an innovative dual clamp design, ensuring secure, low-resistance connections. Compact and lightweight, it’s trusted by professionals for over 25 years to deliver durable, code-compliant performance. ## Description 1/2" - 1" Armored Cable Ground Clamp from Sigma Electric. Sigma has been a trusted manufacturer of metal conduit fittings and weatherproof products for over 25 years. Review: Best Ground Clamp - Best ground clamp I’ve used. Absolutely no resistance to ground after removing old clamp, cleaning the pipe ground and wiring with Deoxit and a metal wire brush. Very highly recommended! Review: Ingenious - Never would have thought of the double ground wire clamps. But it does make for a more secure grounding system. Grand idea ! ## Features - Copper Alloy - Connects armored cable to water pipe - For No.8No.4 AWG - This product is UL Listed - This Product is CSA listed ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000GAV98G | | Brand | Sigma Engineered Solutions | | Brand Name | Sigma Engineered Solutions | | Color | Bar | | Colour | Bar | | Customer Reviews | 4.9 out of 5 stars 66 Reviews | | Global Trade Identification Number | 00031857414092 | | Item Dimensions | 6.4 x 5.7 x 2.5 centimeters | | Item Weight | 91 g | | Item dimensions L x W x H | 6.4 x 5.7 x 2.5 centimeters | | Item weight | 91 g | | Manufacturer | Sigma Electric | | Manufacturer Part Number | 41409 | | Material | Copper, Metal | | Material Type | Copper, Metal | | Model Number | 41409 | | Style | Clamp | | Style Name | Clamp | | UPC | 031857414092 | ## Product Details - **Brand:** Sigma Engineered Solutions - **Colour:** Bar - **Item dimensions L x W x H:** 6.4 x 5.7 x 2.5 centimeters - **Material:** Copper, Metal - **Style:** Clamp ## Images ![Sigma Electric, Bar Sigma Engineered Solutions Proconnex 41409 Ground Clamp Conduit Fitting for Armored Wire 1/2 to 1-Inch, 1-Pack, Size - Image 1](https://m.media-amazon.com/images/I/61dCfrapogL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Best Ground Clamp *by T***. on 6 June 2025* Best ground clamp I’ve used. Absolutely no resistance to ground after removing old clamp, cleaning the pipe ground and wiring with Deoxit and a metal wire brush. Very highly recommended! ### ⭐⭐⭐⭐⭐ Ingenious *by J***. on 1 August 2024* Never would have thought of the double ground wire clamps. But it does make for a more secure grounding system. Grand idea ! ### ⭐⭐⭐⭐⭐ good ground clamp *by F***Y on 8 October 2024* good ground clap easy to install ## Frequently Bought Together - Sigma Electric, Bar Sigma Engineered Solutions Proconnex 41409 Ground Clamp Conduit Fitting for Armored Wire 1/2 to 1-Inch, 1-Pack, Size - SIGMA ENGINEERED SOLUTIONS ProConnex 41309 Ground Clamp 1/2" - 1" - Southwire 65175840 1PK Bronze Clamp-GCL2-10.38-1BZ Grounding Clamp --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ph/products/371688922-sigma-electric-bar-sigma-engineered-solutions-proconnex-41409-ground-clamp](https://www.desertcart.ph/products/371688922-sigma-electric-bar-sigma-engineered-solutions-proconnex-41409-ground-clamp) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-08-17*