Does this work to simply test if an outlet is working ( I'm not an electrician, so in other words if it's "hot" ) ? Even not talking about gcfi.

Yes, this outlet tester will verify that there is current flowing in the socket ("live"), but importantly, it will tell you if the socket is wired correctly. Sometimes electricians or "DIYs" wire receptacles incorrectly, putting the neutral wire to the hot terminal and the hot wire to the neutral terminal, which will work but which will make some electrical devices unsafe to use. This will tell you immediately if it is wired correctly, it primary function.

Can I attach a 3 prong adapter to my 2 prong outlet then test with this device?

The whole point is to test all 3 conductors to assure they are in the right orientation. But, I bit and tried it out of curiosity. Drum roll please - Open Ground! But you probly knew that.

Does this fluke st120+ gfci socket tester come with a standard warranty, e.g. 12 or 24 months?

This model has a 2 year warranty.

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

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Fluke ST120+ GFCI Socket Tester with Audible Beeper

Product ID: 593516225

Details

Brand
Fluke
Power Source
Corded
Style
Modern
Colour
Yellow
Item Weight
0.07 Kilograms

💡Bright LEDs for instant wiring status

🔊Audible beeper for breaker ID

🛠️Compact rugged design for every job

A$119

Duties & taxes included

In stock

Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Test smarter, work faster, stay safe with ST120+!

RUGGED PORTABLE - Compact, durable design built to withstand tough jobsite conditions and fit easily in your toolkit.
INSTANT WIRING CLARITY - Bright LEDs provide immediate, foolproof identification of miswired outlets, saving you time and guesswork.
AUDIBLE BREAKER LOCATOR - Switch on the beeper to quickly pinpoint the correct circuit breaker—no more multiple trips or guesswork.
TRUSTED INDUSTRY STANDARD - From Fluke, a brand with 4.8-star reviews and top rankings, ensuring reliability and professional-grade performance.
INTEGRATED GFCI VERIFICATION - One-touch GFCI test button ensures your outlets meet safety standards without extra tools.

The Fluke ST120+ GFCI Socket Tester combines bright LED indicators, an integrated GFCI test button, and a switchable audible beeper to deliver fast, reliable outlet wiring verification and breaker identification. Its compact, rugged design makes it an essential tool for electricians, inspectors, and technicians aiming for precision and efficiency on every job.

Specifications

ASIN	B0B3VCZ4XK
Best Sellers Rank	#140,804 in Home Improvement ( See Top 100 in Home Improvement ) #21 in Circuit Testers
Brand	Fluke
Brand Name	Fluke
Colour	Yellow
Country of Origin	USA
Customer Reviews	4.8 out of 5 stars 1,627 Reviews
Included Components	Outlet Tester
Item Dimensions	5.8 x 7.4 x 2.5 Centimeters
Item Weight	0.07 Kilograms
Item dimensions L x W x H	5.8 x 7.4 x 2.5 Centimeters
Manufacturer	Fluke
Model Number	ST120+
Part Number	ST120+
Power Source	Corded Electric
Power Source Type	Corded Electric
Specification Met	Cat Iii 300 V
Style	Modern
Style Name	Modern
UPC	195112033586

Reviews

J**Y

12.07.2025

O**X

1.03.2026

G**S

25.04.2026

D**B

18.11.2025

I**S

10.01.2026

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