--- product_id: 52566602 title: "GFCI Outlet Socket Tester | KLEIN TOOLS | Model RT210" brand: "klein tools" price: "MX$1167" currency: MXN in_stock: true category: "Klein Tools" url: https://www.desertcart.mx/products/52566602-gfci-outlet-socket-tester-klein-tools-model-rt210 store_origin: MX region: Mexico --- # Detects wiring faults instantly 2m drop-tested durability UL & CSA certified safety GFCI Outlet Socket Tester | KLEIN TOOLS | Model RT210 **Brand:** klein tools **Price:** MX$1167 **Availability:** ✅ In Stock ## Summary > 🛠️ Test Smarter, Work Safer — The Pro’s Choice for Wiring Confidence ## Quick Answers - **What is this?** GFCI Outlet Socket Tester | KLEIN TOOLS | Model RT210 by klein tools - **How much does it cost?** MX$1167 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/52566602-gfci-outlet-socket-tester-klein-tools-model-rt210) ## Best For - klein tools enthusiasts ## Why This Product - Trusted klein tools brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Wide Operating Range:** Reliable performance from freezing 32°F to scorching 140°F environments. - • **Rugged Drop Resistance:** Survives 6.6-foot drops, built tough for demanding job sites. - • **GFCI Operation Verified:** Confirms ground fault device functionality for ultimate safety assurance. - • **Instant Fault Detection:** Pinpoint open ground, reverse polarity, and more with clear LED indicators. - • **Trusted Legacy Craftsmanship:** Backed by 160+ years of Klein Tools’ professional-grade quality. ## Overview The Klein Tools RT210 GFCI Receptacle Tester is a professional-grade device engineered to detect common wiring issues in standard and GFCI outlets. Featuring intuitive LED diagnostics, UL and CSA certifications, and rugged drop resistance, it ensures reliable, on-the-spot verification of electrical safety. Designed for pros who demand precision and durability, it operates flawlessly across a broad temperature range and carries the legacy of over 160 years of Klein craftsmanship. ## Description Product Description KLEIN TOOLS receptacle testers are designed to detect the most common wiring problems in standard and GFCI receptacles. A convenient chart on the tester helps determine wiring condition in outlet, based on LED lights results. Conditions indicated: open ground, reverse polarity, open hot, open neutral, hot/ground reversed. Detects the most common wiring problems in standard and GFCI receptacles. Works on gfi outlets and confirms operation of the ground fault protective device. Conforms to UL STD 1436, certified to CSA STD C22.2 #160. Built to withstand a 6.6-Foot (2M) drop. Operating temp: 32°F to 140°F (0°C to 40°C). nominal voltage: 110/125V AC at 50/60Hz in 3-wire outlet. For more than 160 years, KLEIN TOOLS has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing As close to Home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. KLEIN TOOLS doesn't just make great products, We make great products that stand up to the demands of the professionals who use them every day. Since 1857. Safety Warning Read, understand, and follow all warnings and instructions before operating testers.Always consult a qualified electrician to resolve wiring problems.Always wear approved eye protection. ## Features - Detects the most common wiring problems In standard and GFCI receptacles - Works on gfi outlets and confirms operation of the ground fault protective device - Conforms to UL std 1436, certified to CSA std C22.2 #160 - Built to withstand a 6.6-Foot (2m) drop - Operating temp: 32-degrees F to 140-degrees F (0-degrees C to 40-degrees C) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01AKX8L0M | | Best Sellers Rank | 368,773 in DIY & Tools ( See Top 100 in DIY & Tools ) 422 in Circuit Testers | | Brand | KLEIN TOOLS | | Colour | Black/Orange | | Compatible Devices | Standard and GFCI Receptacles | | Country Of Origin | China | | Customer Reviews | 4.8 4.8 out of 5 stars (8,641) | | Global Trade Identification Number | 00092644690273 | | Included Components | RT210 | | Item Dimensions | 13.5 x 9.7 x 3.8 centimetres | | Item Length | 1.62 Inches | | Item Type Name | GFCI Receptacle Tester Klein Tools RT210 | | Item Weight | 1.9 Ounces | | Item Width | 1.88 Inches | | Manufacturer | Klein Tools | | Manufacturer Part Number | RT210 | | Measurement Type | Voltmeter | | Minimum Operating Voltage | 110 | | Model Number | RT210 | | Number of Items | 1 | | Number of Packs | 1 | | Power Source | Hand Powered | | Product Warranty | Two Years From the Date of Purchase | | Specification Met | Cat Ii 300v | | Style Name | GFCI Testing | | UPC | 092644690273 | | Unit Count | 1.0 count | | Upper Temperature Rating | 140 Degrees Fahrenheit | ## Product Details - **Brand:** KLEIN TOOLS - **Colour:** Black/Orange - **Item weight:** 1.9 Ounces - **Power source:** Hand Powered - **Style:** GFCI Testing ## Images ![GFCI Outlet Socket Tester | KLEIN TOOLS | Model RT210 - Image 1](https://m.media-amazon.com/images/I/5143f577xkL.jpg) ![GFCI Outlet Socket Tester | KLEIN TOOLS | Model RT210 - Image 2](https://m.media-amazon.com/images/I/41ksQENQtnL.jpg) ![GFCI Outlet Socket Tester | KLEIN TOOLS | Model RT210 - Image 3](https://m.media-amazon.com/images/I/51GEUn9jAsL.jpg) ![GFCI Outlet Socket Tester | KLEIN TOOLS | Model RT210 - Image 4](https://m.media-amazon.com/images/I/3117sy1J+TL.jpg) ![GFCI Outlet Socket Tester | KLEIN TOOLS | Model RT210 - Image 5](https://m.media-amazon.com/images/I/41jdzlr+D5L.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - Klein Tools RT210 Outlet Tester, Receptacle Tester for GFCI / Standard North American AC Electrical Outlets, Detects Common Wiring Problems - Fluke 1AC II VoltAlert Non-Contact Voltage Tester, Pocket-Sized, 90-1000V AC, Audible Beeper, 2 Year Warranty, CAT IV Rating, Packaging May Vary - Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Tester for Standard 3-Wire 120V Electrical Receptacles --- ## 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.mx/products/52566602-gfci-outlet-socket-tester-klein-tools-model-rt210](https://www.desertcart.mx/products/52566602-gfci-outlet-socket-tester-klein-tools-model-rt210) --- *Product available on Desertcart Mexico* *Store origin: MX* *Last updated: 2026-10-22*