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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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 status

🌡️Operates from 32°F to 140°F for all job sites

🛡️UL & CSA certified for trusted safety

$U964

Duties & taxes included

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Description

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

BUILT TO LAST ON THE JOB - Withstands 6.6-foot drops, engineered for the rugged demands of professional electricians.
INSTANT WIRING DIAGNOSIS - Clear light patterns quickly reveal outlet wiring issues, saving you time and guesswork.
CERTIFIED SAFETY ASSURANCE - Meets UL Std 1436 and CSA Std C22.2 #160, so you test with confidence every time.
TRUSTED LEGACY OF PRECISION - Backed by Klein Tools’ 160+ years of expert craftsmanship and reliability in professional-grade tools.
VERSATILE VOLTAGE COMPATIBILITY - Designed for 110/125V AC outlets at 50/60Hz, covering the most common North American receptacles.

The Klein Tools RT110 Outlet Tester is a professional-grade device designed to quickly identify common wiring faults in North American 110/125V AC outlets. Featuring a clear light sequence for easy interpretation, UL and CSA certification for safety, and rugged durability to withstand job site drops, it operates reliably across a wide temperature range. Trusted by electricians for over 160 years, this tester ensures fast, accurate outlet diagnostics to keep your projects on track and up to code.

Specifications

ASIN	B01AKX3AYE
Best Sellers Rank	#8,567 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #25 in Circuit Testers
Brand Name	KLEIN TOOLS
Color	Factory
Customer Reviews	4.8 4.8 out of 5 stars (3,632)
Global Trade Identification Number	00092644690266
Included Components	Receptacle Tester
Item Dimensions	5.5 x 3.5 x 1.8 inches
Item Highlight	For North American Electrical Receptacles
Item Type Name	Klein Tools Receptacle Tester RT110
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 Name	Standard
UPC	092644690266
Unit Count	1 Count
Upper Temperature Rating	140 °C
Warranty Description	See Manufacturer Website

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