---
product_id: 593516225
title: "Fluke ST120+ GFCI Socket Tester with Audible Beeper"
brand: "fluke"
price: "C$6253"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/593516225-fluke-st120-gfci-socket-tester-with-audible-beeper
store_origin: NI
region: Nicaragua
---

# Bright LEDs for instant wiring status Audible beeper for quick breaker ID Compact, rugged design built for every job Fluke ST120+ GFCI Socket Tester with Audible Beeper

**Brand:** fluke
**Price:** C$6253
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Fluke ST120+ GFCI Socket Tester with Audible Beeper by fluke
- **How much does it cost?** C$6253 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/593516225-fluke-st120-gfci-socket-tester-with-audible-beeper)

## Best For

- fluke enthusiasts

## Why This Product

- Trusted fluke brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Portable Powerhouse:** Lightweight and compact, this tester fits comfortably in your toolkit and stands up to rugged jobsite conditions.
- • **Instant Wiring Clarity:** Bright LEDs provide fast, foolproof identification of miswired outlets, saving you time on site.
- • **GFCI Safety Verification:** Integrated GFCI test button ensures your outlets’ ground-fault protection is working perfectly, keeping your projects safe and compliant.
- • **Audible Breaker Detection:** Use the built-in beeper to instantly confirm if breakers are switched on or off—no more guesswork or extra trips.
- • **Trusted Professional Grade:** From Fluke, a USA-made tool engineered to Cat III 300V standards—reliable performance you can count on every time.

## Overview

The Fluke ST120+ GFCI Socket Tester is a compact, durable electrical testing tool featuring bright LEDs for quick wiring diagnostics, an integrated GFCI test button for safety verification, and an audible beeper to identify breaker status—designed for professionals who demand accuracy and efficiency on every job.

## Description

"The ST120+ Socket Tester with a GFCI test button and beeper from Fluke is the perfect tester for electricians and electrical inspectors, home inspectors and technicians who need to verify the correct wiring of outlets. The bright, easy to see LEDs let you know if an outlet is miswired and the integrated GFCI test button gives you peace of mind by allowing you to verify the proper operation of GFCI equipped outlets. The addition of a switchable beeper makes the ST120+ even more capable. In addition to providing an additional level of safety by beeping whenever voltage is present – even with a miswired outlet – the beeper also helps you save time identifying circuit breakers. Just plug in the tester into an outlet and make sure the beeper is switched on. Then, when you flip the corresponding circuit breaker for that outlet, the beeper will turn on or off, letting you know that you found the right breaker. These features packed into the compact yet rugged design of the ST120+ make this the perfect tester to take to every job."

## Features

- Integrated GFCI test button to verify the correct operation of GFCI equipped outlets
- Bright LEDs for fast, easy identification of miswired outlets
- Compact, rugged design for use at every job
- Eliminate multiple trips back and forth by using the beeper to help identify if breaker is switched on or off

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Fluke |
| Power Source | Corded Electric |
| Style | Modern |
| Colour | Yellow |
| Item Weight | 0.07 Kilograms |
| Item dimensions L x W x H | 5.8 x 7.4 x 2.5 Centimeters |
| Specification Met | Cat Iii 300 V |
| UPC | 195112033586 |
| Manufacturer | Fluke |
| Country of Origin | USA |
| Model number | ST120+ |
| Number of Memory Sticks | 1 |
| Item Weight | 70 g |
| Product Dimensions | 5.79 x 7.37 x 2.49 cm; 70 g |
| Batteries | 12 AA batteries required. |
| Item model number | ST120+ |
| Item Height | 0.98 Inches |
| Item Width | 2.9 Inches |
| Included Components | Outlet Tester |
| Are batteries included? | No |

## Product Details

- **Brand:** Fluke
- **Power Source:** Corded Electric
- **Style:** Modern
- **Colour:** Yellow
- **Item Weight:** 0.07 Kilograms

## Images

![Fluke ST120+ GFCI Socket Tester with Audible Beeper - Image 1](https://m.media-amazon.com/images/I/816n049-GKL.jpg)

## Questions & Answers

**Q: 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.**
A: 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.

**Q: Can I attach a 3 prong adapter to my 2 prong outlet then test with this device?**
A: 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.

**Q: Does this fluke st120+ gfci socket tester come with a standard warranty, e.g. 12 or 24 months?**
A: This model has a 2 year warranty.

**Q: is there  a case**
A: Yes

## Frequently Bought Together

- Fluke ST120+ GFCI Socket Tester with Audible Beeper
- Fluke 1AC II VoltAlert Non-Contact Voltage Tester, Pocket-Sized, 90-1000V AC, Audible Beeper, 2 Year Warranty, CAT IV Rating, Packaging May Vary
- RLSOCO Carrying Case for Fluke ST120+/ST120 GFCI Socket Tester (Case Only)

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**Shop now:** [https://www.desertcart.ni/products/593516225-fluke-st120-gfci-socket-tester-with-audible-beeper](https://www.desertcart.ni/products/593516225-fluke-st120-gfci-socket-tester-with-audible-beeper)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-03-07*