With a schotko adapter would this work to test the ground overseas at 220v?

With and adapter maybe not sure I’m not an electrician

If I use this how do I tell if the outlet has no ground? Theres no indicator on the device its self that says no ground.

Because the ground light on this device will not be lit up. The ground light will only light up on this device if the outlet is properly grounded.

Will this show a short in the wiring?

a short? No this is a device to show if you have a duplex receptacle wired correctly.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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RT110

Product ID: 43369577

Details

Brand
KLEIN TOOLS
Color
Factory
Item dimensions L x W x H
5.5 x 3.5 x
Power Source
Hand Powered
Style
Standard

💡Clear light sequence for instant wiring diagnosis

🌡️Operates reliably from 32°F to 140°F

🛡️UL & CSA certified for trusted safety

RM80

Duties & taxes included

In stock

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Description

⚡ Test Smarter, Work Safer — The Pro’s Choice for Outlet Confidence

BUILT TO ENDURE - Drop-tested to 6.6 feet, engineered for the rugged demands of professional job sites.
INSTANT WIRING CLARITY - Unique light sequence instantly reveals wiring faults—no guesswork, just confidence.
QUICK RELIABLE TESTING - Detects common wiring issues like open ground, reversed hot/neutral, and more—fast troubleshooting at your fingertips.
CERTIFIED SAFETY ASSURANCE - Meets UL Std 1436 & CSA Std C22.2 #160, so you’re always compliant and protected.
VERSATILE VOLTAGE COMPATIBILITY - Designed for 110/125V AC outlets at 50/60Hz—perfect for North American standards.

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.

Specifications

ASIN	B01AKX3AYE
Best Sellers Rank	#4,942 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Circuit Testers
Brand Name	KLEIN TOOLS
Color	Factory
Customer Reviews	4.8 4.8 out of 5 stars (3,542)
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
Lower Temperature Rating	32 Degrees Fahrenheit
Manufacturer	Klein Tools
Measurement Type	Voltmeter
Minimum Operating Voltage	110 Volts
Model	RT110
Part Number	RT110
Power Source	Hand Powered
Specification Met	CSA
Style Name	Standard
UPC	092644690266
Unit Count	1.0 Count
Upper Temperature Rating	140 Degrees Celsius
Warranty Description	1 year manufacturer

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