| Customer Reviews | 4.8 out of 5 stars 10,468Reviews |
The RT250 is an electrical receptacle tester that tests the wiring conditions at an electrical outlet and inspects GFCI devices. The LCD displays the voltage, identifies the wiring fault, and the time required to trip a GFCI device. It is designated for use with North American 3-wire 120V electrical outlets. 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.
As an American manufacturer of hand tools for more than 160 years, Klein Tools makes premium-quality, professional-grade tools that deliver performance, durability and precision. Our team continues to put six generations of expertise into each tool by using the highest quality materials and superior workmanship.
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.
The RT250 is an electrical receptacle tester that tests the wiring conditions at an electrical outlet and inspects GFCI devices. The LCD displays the voltage, identifies the wiring fault, and the time required to trip a GFCI device. It is designated for use with North American 3-wire 120V electrical outlets.
GFCI electrical circuit tester inspects GFCI devices
Easy to read LCD display shows voltage, faults, GFCI trip time
Identifies common wiring faults on North American 120V outlets
 LCD and Flashlight, Voltage Electrical Test Kit |  Circuit Analyzer with Large LCD |  AC Circuit Breaker Finder, Electric Tester |  Voltage Tester, Non-Contact Low Voltage Tester Pen |  Dual Range, Non-Contact Voltage Tester |  GFCI Outlet Tester and AC/DC Voltage Tester | |
|---|---|---|---|---|---|---|
| Customer Reviews | 1,683 | 1,917 | 22,796 | 6,024 | 1,004 | 359 |
| Price | $39.97 | $116.44 | $49.97 | $19.33 | $27.97 | $17.97 |
| Mfg. No. | RT250KIT | RT390 | ET310 | NCVT1P | NCVT2P | ET45VP |
| Description | LCD and Flashlight, Voltage Electrical Test Kit | Circuit Analyzer with Large LCD | AC Circuit Breaker Finder, Electric Tester | Voltage Tester, Non-Contact Low Voltage Tester Pen | Dual Range, Non-Contact Voltage Tester | GFCI Outlet Tester and AC/DC Voltage Tester |
 Auto-Ranging Digital Multi-Tester |  Multimeter, Digital Manual-Ranging |  Non-Contact Voltage Tester |  Outlet Tester, AFCI and GFCI Receptacle Tester |  Circuit Breaker Finder Tool Kit |  Digital Multimeter Electrical Test Kit | |
|---|---|---|---|---|---|---|
| Customer Reviews | 150 | 1,766 | 3,654 | 1,917 | 8,984 | 2,172 |
| Price | $57.55 | $34.95 | $23.93 | $39.97 | $64.98 | $49.98 |
| Mfg. No. | ET270 | MM325 | NCVT2PKIT | RT310 | 80016 | MM320KIT |
| Description | Auto-Ranging Digital Multi-Tester | Multimeter, Digital Manual-Ranging | Non-Contact Voltage Tester | Outlet Tester, AFCI and GFCI Receptacle Tester | Circuit Breaker Finder Tool Kit | Digital Multimeter Electrical Test Kit |
