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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Klein Tools RT110 Outlet Tester, AC Electrical Receptacle Tester for North American Outlets

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 standards

KSh4363

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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, this tester thrives in tough jobsite conditions, matching your professional grit.
INSTANT WIRING CLARITY - Decode outlet wiring issues in seconds with a clear, intuitive light sequence—never second guess your work.
CERTIFIED SAFETY ASSURANCE - Meets UL Std 1436 and CSA Std C22.2 #160, so you’re always compliant and confident on every project.
QUICK RELIABLE DIAGNOSTICS - Detects common wiring faults like open ground, reverse polarity, and open hot—keeping your work flawless and safe.
VERSATILE VOLTAGE COMPATIBILITY - Designed for 110/125V AC outlets at 50/60Hz, covering the vast majority of North American receptacles.

The Klein Tools RT110 Outlet Tester is a rugged, UL and CSA certified device engineered to quickly identify common wiring faults in North American 110/125V AC outlets. Featuring a clear light sequence for instant diagnostics and built to withstand drops up to 6.6 feet, it operates reliably across a wide temperature range (32°F to 140°F). Trusted by professionals since 1857, this tester ensures safety, compliance, and efficiency on every jobsite.

Specifications

ASIN	B01AKX3AYE
Best Sellers Rank	#3,928 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #5 in Circuit Testers
Brand	KLEIN TOOLS
Brand Name	KLEIN TOOLS
Color	Factory
Customer Reviews	4.8 out of 5 stars 3,537 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 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	Standard
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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TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

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The product quality is outstanding. Exactly what I needed for my work.

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