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Greenlee GT-10GFI Tester, Circuit GFI, Circuit Tester Polarity Cube for Troubleshooting 20 VAC Grounded Outlets and Testing GFCI Receptacles, Black, Small

Greenlee GT-10GFI Tester, Circuit GFI, Circuit Tester Polarity Cube for Troubleshooting 20 VAC Grounded Outlets and Testing GFCI Receptacles, Black, Small

Q: Would this work with 220VAC?

No! This is for a 15 amp, 120v receptacle ONLY. This device will test from hot to neutral (which is only 120-volts), hot to ground (which is only 120-volts), and neutral to ground (which is usually 0-volts). If you put 220-volts across this device it will go bang, (maybe even put out some smoke), and you will have to buy another one.

Q: how to check if GFCI is not defected

1.- check the Gfci using its own bottoms 2.- if working, use the tester. If not working at all either way. Throw it and get a new one.

Q: Does this work with tamper proof receptacles?

yes it works with tamper resistance appliance outlets, as if plugging in an electrical device ... that block moves to allow access

Product ID: 14470114

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Details

Brand
Greenlee
Power Source
Ac
Style
GT-10GFI
Color
Black
Item Weight
2.72 ounces

⚡Tests 120V AC grounded outlets

💡7 LED indicators for instant wiring status

🛠️Compact & rugged for heavy-duty use

Frequently Bought Together

Greenlee GT-10GFI Tester, Circuit GFI, Circuit Tester Polarity Cube for Troubleshooting 20 VAC Grounded Outlets and Testing GFCI Receptacles, Black, Small

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Fluke 1AC II VoltAlert Non-Contact Voltage Tester, Pocket-Sized, 90-1000V AC, Audible Beeper, 2 Year Warranty, CAT IV Rating, Packaging May Vary

Description

⚡ Master your circuits with confidence — never miss a miswire!

TRUSTED ACCURACY - ETL certified for reliable, professional-grade testing every time
POCKET SIZED POWER - Lightweight and compact for effortless portability and storage
BUILT FOR THE JOBSITE - Rugged, durable design stands up to daily professional use
INSTANT WIRING CLARITY - 7 intuitive LED lights decode outlet status in seconds
PRECISION TROUBLESHOOTING - Quickly identify wiring faults in 120V grounded and GFCI outlets

The Greenlee GT-10GFI Tester is a professional-grade, compact circuit tester designed to quickly and accurately troubleshoot 120V AC grounded outlets and GFCI receptacles. Featuring 7 easy-to-read LED indicators, it ensures precise wiring diagnostics while its rugged construction guarantees durability on any jobsite. Lightweight and ETL certified, this tool is essential for electricians and plumbing pros who demand reliability and speed.

Specifications

Brand	Greenlee
Power Source	Ac
Style	GT-10GFI
Color	Black
Item Weight	2.72 ounces
Item dimensions L x W x H	8 x 8 x 8 inches
Specification Met	ETL
UPC	078331121251 763615875462 733353291121 783310121251
Manufacturer	Greenlee
Global Trade Identification Number	00783310121251
Part Number	GT-10GFI
Product Dimensions	8 x 8 x 8 inches
Item model number	GT-10GFI
Is Discontinued By Manufacturer	No
Size	Small
Voltage	120 Volts
Item Package Quantity	1
Included Components	Tools & Accessories
Batteries Included?	No
Batteries Required?	No
Warranty Description	1 year manufacturer

Have a Question? See What Others Asked

Would this work with 220VAC?

how to check if GFCI is not defected

Does this work with tamper proof receptacles?

Will this work with a Greenlee GT-11 voltage detector?

Reviews

T**N

Greenlee Rules!

What can you say about a circuit tester? It works perfectly and is a Greenlee. I use it in my job as an Emergency Vehicle Technician. Fire Apparatus and Ambulances are sometimes equipped with AC Generators along with the necessary GFCI line voltage circuits. The GT-10GFI comes in real handy for testing/troubleshooting these systems. Greenlee Products have turned towards the import side lately. Their pliers, etc. are not made in the great U.S.A. anymore. This tester is not American made either but good luck finding one that is. It does the job though and the quality is better than most I have seen. As always Amazon.com came through with the best price!

13.11.2011

J**D

Another high quality Greenlee product

Once again, great product by greenlee. I'm an hvac tech, but also get into electrical work. This works great for testing outlet wiring. For those who say the lights aren't bright enough, open your eyes... I have no problem seeing them light up. I love greenlee products, high quality.

11.01.2020

J**

Good

Perfect for test outlet

23.05.2025

P**Y

Electrical Safety

A great gadget to have to quickly check the Health of your Electrical outlets.It indicates bad Ground, lose Ground, liveor Neutral.May also indicate Live and Neutral Reversed.

11.06.2023

F**M

Replaced my faulty one after 16 years of service.

Greenlee is a quality product! It’s dependable & idiot proof. I had to replace my initial GREENLEE GT 10GFI plug tester after over 16 years. My initial purchase came in a GREENLEE zippered kit, including a tic tracer & a meter. All except the plug tester are still going strong 💪! I’d recommend this product. Hopefully it will last as long as my first one did. Thanks Greenlee for quality products!

3.11.2023

S**M

Great circuit tester.

What can I say, its Greenlee?? Reliable and dependable, very easy to use and compact. This is an Excellent product!!

17.05.2014

S**E

Four Stars

good product.. easy to use and so far efficient and results of the tests are accurate

17.07.2015

M**.

Reliable

Reliable product, very important when dealing with electricity. I recommend.

9.01.2023

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