Tilswall Voltage Tester with Color LCD Display (Dual Purpose) for GFCI/AC Outlets

GFCI Outlet Tester with Color LCD Display

The Tilswall W140 GFCI outlet tester features a color backlit LCD that makes test results easier to read in different lighting conditions. Its clear display and red and green indicator lights help users quickly understand the results of supported outlet tests.

Designed for convenient plug-in testing, this electrical outlet tester is useful for homeowners, DIY users, and maintenance professionals who want to check common outlet wiring conditions and perform GFCI trip tests.

Clear Color LCD Readout

This Tilswall outlet tester features a large-sized color backlit LCD screen that provides clear readings even in bright sunlight. The red and green dual indicator light design makes it easy to immediately determine the test results.

Quick GFCI Test

Complete GFCI Trip Test in seconds, allowing you to quickly detect wiring errors or verify if the circuit breaker is functioning correctly.

Detect Multiple Wiring Faults

This receptacle tester can detect various faults, including Open Hot, Open Ground, Open Neutral, Dual Open (Neutral and Ground), Reversed Hot/Ground and Reversed Hot/Neutral

Convenient AUTO-HOLD Feature

Auto-Hold function holds the reading for hard-to-reach outlets, providing convenience and ease of use

Safety Rating: CAT II 135V

Safe and reliable, the tester has a safety rating of CAT II 135V. This plug tester has passed a 1-meter drop test, making it sturdy and durable.

Detect Common Electrical Outlet Wiring Faults

The Tilswall receptacle tester can identify several common wiring conditions, including:

• Open hot
• Open ground
  
• Open neutral
  
• Open neutral and ground
  
• Reversed hot and ground
  
• Reversed hot and neutral

The tester helps users recognize these specific wiring conditions through its test results. However, a normal indication does not guarantee that an outlet is completely safe or that every possible electrical fault has been detected. Consult a qualified electrician when results are unclear or a wiring problem is suspected.

Quick GFCI Outlet Testing

A GFCI outlet tester helps users check the operation of compatible ground-fault circuit interrupter outlets. The Tilswall W140 supports a GFCI trip test, allowing users to check whether the device trips during the test.

Before testing, read the product instructions and follow the GFCI manufacturer's safety guidance. If the outlet does not respond as expected, stop using the outlet if a fault is suspected and consult a qualified electrician. Do not rely on the tester alone to certify an electrical installation as safe.

Easy-to-Read Results with Auto-Hold

Checking an outlet can be awkward when the receptacle is in a hard-to-reach position. The Tilswall outlet tester includes an Auto-Hold function to retain the reading, helping users review the result without needing to keep looking directly at the display.

The color LCD and indicator lights provide an additional visual reference during testing. Together, these features make routine outlet checks easier to read and interpret.

How to Use a Plug-In Outlet Tester

Use the following general steps, and always follow the instructions supplied with the Tilswall W140.

1. Inspect the tester: Check the device for visible damage before use.
   
2. Plug it into the outlet: Insert the tester into a compatible receptacle according to the manual.
   
3. Read the display: Check the LCD and indicator lights to identify the reported wiring condition.
   
4. Perform a GFCI test if appropriate: Follow the manufacturer's instructions for testing a compatible GFCI outlet.
   
5. Respond to unexpected results: If the tester indicates a wiring fault or the GFCI does not trip as expected, consult a qualified electrician.

Do not touch exposed electrical conductors or remove outlet covers while conducting a plug-in test.

What to Look for When Choosing an Electrical Outlet Tester

When choosing an electrical outlet tester, consider the types of wiring faults it can identify, whether it supports GFCI testing, how clearly it displays results, and whether its electrical ratings match your application.

The Tilswall W140 combines a color LCD, indicator lights, Auto-Hold, and GFCI trip testing in a compact plug-in design. Check its rated voltage and safety instructions before using it with any electrical receptacle.

Accessories Included

Outlet tester *1
1.5V AAA batteries * 2
Screwdriver * 1
Weight: 0.3 pounds
Size: 5.12 * 2.3 * 1.3 inches
Drop Test: 1 Meter

FAQ

What does a GFCI outlet tester do?

A GFCI outlet tester checks supported outlet wiring conditions and can perform a trip test on compatible GFCI outlets. It does not detect every possible electrical hazard.

What is the difference between a GFCI tester and an outlet tester?

An outlet tester generally checks for certain common receptacle wiring conditions. A GFCI outlet tester also supports testing the trip function of compatible GFCI protection devices.

Can an outlet tester identify wiring faults?

Yes. A suitable outlet tester can identify specific wiring conditions supported by its design, such as open ground or reversed wiring. It cannot identify every possible fault or confirm that an installation is completely safe.

Why choose an outlet tester with an LCD display?

An LCD can make test results easier to read. The Tilswall W140 also includes indicator lights and an Auto-Hold function for convenient result checking.

Does a GFCI outlet tester replace an electrician?

No. It is a testing aid, not a substitute for professional electrical inspection. Unclear readings, suspected faults, or unexpected GFCI test results should be assessed by a qualified electrician.