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⚡ Test Smarter, Work Safer — The Pro’s Choice for Outlet Confidence
The Klein Tools RT110 Outlet Tester is a professional-grade device designed to quickly identify common wiring problems in North American 110/125V AC outlets. Featuring a clear light sequence for easy diagnosis, UL and CSA certification for safety, and rugged durability with a 6.6-foot drop rating, it operates reliably across a wide temperature range. Trusted by professionals since 1857, this tester ensures fast, accurate, and dependable outlet testing on every job.
| ASIN | B01AKX3AYE |
| Best Sellers Rank | #4,131 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Circuit Testers |
| Brand | KLEIN TOOLS |
| Brand Name | KLEIN TOOLS |
| Color | Factory |
| Customer Reviews | 4.8 out of 5 stars 3,564 Reviews |
| Global Trade Identification Number | 00092644690266 |
| Included Components | Receptacle Tester |
| Item Dimensions | 5.5 x 3.5 x 1.8 inches |
| Item Type Name | Klein Tools Receptacle Tester RT110 |
| Item dimensions L x W x H | 5.5 x 3.5 x 1.8 inches |
| Lower Temperature Rating | 32 °F |
| Manufacturer | Klein Tools |
| Measurement Type | Voltmeter |
| Minimum Operating Voltage | 110 volts |
| Model | RT110 |
| Number of Items | 1 |
| Part Number | RT110 |
| Power Source | Hand Powered |
| Specification Met | CSA |
| Style | Standard |
| Style Name | Standard |
| UPC | 092644690266 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 140 °C |
| Warranty Description | See Manufacturer Website |
M**S
Tells me everything I need to know.
Works great
M**S
Welding
Good Quality and value
D**T
Very good.
Quick and easy. Everything you need to know and it works on tamper proof outlets.
G**.
Handy Little Tool
Nice accessory for your toolbox to have on hand. You never know when you will need to check the electrical circuitry in your house.
A**R
Good
Good
C**D
Does what it's supposed to
It works.
J**A
Good for checking the polarity.
Good for check wires at home
K**S
Great plug checker
Very useful for my job
W**R
Does what it says. Simple, efficient
Does what it says. Simple, efficient
D**K
Simple
It works. Simple and easy.
C**Z
Muy buen producto y marca.
Muy buen producto, me ha ayudado mucho a instalaciones eléctricas para hacer comprobaciones rápidas. Lo recomiendo mucho sin problemas, posiblemente lo único malo es que las instrucciones no están en español solo ingles, no tengo problemas para leerlo pero seria bueno tenerlo en español de igual manera.
T**.
Si lo recomiendo
Muy practico
B**E
Worth it.
Great little tool that helped me figure out grounding issues with one of my Bluetti battery packs so I could get it to run my furnace.
Trustpilot
3 weeks ago
1 day ago