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⚡ Stay wired right, every time — don’t get caught off guard!
The Klein Tools RT210 GFCI Receptacle Tester is a professional-grade device designed to quickly identify common wiring issues in standard and GFCI outlets. Featuring clear LED indicators and a handy reference chart, it confirms proper ground fault protection and wiring integrity. Certified to UL and CSA safety standards and built to withstand drops up to 6.6 feet, this compact tester is an essential tool for electricians and savvy DIYers aiming for flawless electrical safety and compliance.












| ASIN | B01AKX8L0M |
| Best Sellers Rank | 358,160 in DIY & Tools ( See Top 100 in DIY & Tools ) 411 in Circuit Testers |
| Brand | KLEIN TOOLS |
| Colour | Black/Orange |
| Compatible Devices | Standard and GFCI Receptacles |
| Country Of Origin | China |
| Customer Reviews | 4.8 out of 5 stars 8,601 Reviews |
| 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 |
| Item dimensions L x W x H | 13.5 x 9.7 x 3.8 centimetres |
| Item weight | 1.9 Ounces |
| 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 | Corded Electric |
| Power source | Corded Electric |
| Product Warranty | Two years from the date of purchase. |
| Specification Met | Cat Ii 300v |
| Style | GFCI Testing |
| Style Name | GFCI Testing |
| UPC | 092644690273 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 140 Degrees Fahrenheit |
A**N
Handy to keep for checking your American boat ac
This is a handy keep in your tool bag ac socket checker , simply plug in and check the light indicator then look at ref chart on socket checker to see if there’s a fault . Only draw back is the socket checker is pretty fragile . Keep in your bag separate
M**F
This product is dangerous.
This product does not perform a reliable test, particularly on an open ground. It uses neon bulbs, which draw almost no current. I just tested an outlet that I knew had an open ground and the tester showed a good ground. But if I test with a 15-watt light bulb from Hot to Ground, nothing. This is a “gotcha” in the Electrical trade that we all learn, that to reliably test any circuit you need to have some amount of load on it. This tester puts no load on the circuit and can show you have a reliable ground when you do not. I’m surprised because Klein has such a high reputation for Electrical tools, but whoever makes this tester for them is making a dangerously defective product.
伊**伸
アースが効いているか明確に
英語表記
Y**E
Indispensable para músicos
Funciona muy bien, muy práctico para revisar si está bien conectado un enchufe de electricidad, con si respectiva fase, neutro y tierra. Altamente recomendable para músicos, ingenieros de audio que trabajen en distintos recintos.
A**Y
Original quality.
True Klein product. Works as it should. Love it for assessing electrical outlets.
Ó**A
Excelente
Muy útil
Trustpilot
2 weeks ago
5 days ago