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The Best Receptacle Tester

Receptacle Tester – A Must-have Tool For Dealing With Outlets

Safety in any profession is the top priority. Do you want to test the home wiring and monitor the outlet connection ports for a safe life? Try these great Receptacle Testers.

A necessary instrument for the safety of your home or office is the receptacle tester. This post is for you if you’re interested in electrical equipment. The Receptacle Tester is a professional sockets tester that identifies efficiently if the socket cord’s connection is accurate. It’s more functional and safe with the GFCI test feature. This device is commonly used for electrical repair testing, workplace outlet checking or warehouse socket testing, etc. It will save you a great deal of time looking for issues with the plug. Let’s see which of the four items below is worth purchasing in 2021 for the Receptacle Tester.

The Best Receptacle Tester of December 2021 – Reviews and Top Rated

Rank No. #1
GFCI Receptacle Tester with LCD Display, for Standard 3-Wire 120V Electrical Outlets Klein Tools RT250
  • GFCI RECEPTACLE TESTER FEATURES LARGE LCD READOUT. View results instantly without the need to look at a chart to understand results. In addition to a clear LCD readout, bright green and red LEDs illuminate to show correct or faulty wiring
  • TEST TRIP TIME OF GFCI IN SECONDS. Find out if the trip breaker is functioning and how long it takes to trip
  • DETECT AND IDENTIFY COMMON WIRING FAULTS. Conditions are Wired Correctly, Open Ground, Open Neutral, Open Hot, Dual Open (Neutral & Ground), Reversed Hot/Ground, and Reversed Hot/Neutral. The Dual Open condition is patent pending
  • AUTO-HOLD FUNCTION IS CONVENIENT FOR HARD-TO-REACH OUTLETS. Simply remove tester to view the reading
  • SAFE AND DURABLE TESTER FOR INSPECTIONS IN NORTH AMERICAN 120V OUTLETS. CAT II 135V safety rating and 6.6-Foot (2 m) drop protection
SaleRank No. #2
Klein Tools RT210 Outlet Tester, Receptacle Tester for GFCI / Standard North American AC Electrical Outlets, Detects Common Wiring Problems
  • Detects the most common wiring problems in standard and GFCI receptacles
  • Works on GFI outlets and confirms operation of the ground fault protective device
  • Built to withstand a 6.6-foot (2m) drop
  • Operating temp: 32-Degree to 140-Degree Fahrenheit (0-Degree to 40-Degree Celsius)
  • Nominal Voltage: 110/125V AC at 50/60Hz in 3-wire outlet
SaleRank No. #3
Klein Tools RT110 Receptacle Tester for North American AC Electrical Outlet Receptacles
  • Light sequence indicates correct/incorrect wiring
  • Conforms to UL Std 1436, Certified to CSA Std C22.2 #160
  • Operating temp: 32-degrees F to 140-degrees F (0-degrees C to 40-degrees C)
  • Built to withstand a 6.6-foot (2m) drop
  • Nominal Voltage: 110/125V AC at 50/60Hz in 3-wire outlet
Rank No. #4
Sperry Instruments GFI6302 GFCI Outlet / Receptacle Tester, Standard 120V AC Outlets, 7 Visual Indication / Wiring Legend, Home & Professional Use, Yellow & Black
  • DURABLE: Hi-Impact Resistant ABS housing with soft over-molded rubber grips with a compact ergonomic design (GFI6302 and VD6504)
  • QUICKLY READ: Bright color-coded neon lights for easy visual indication (GFI6302)
  • TESTING CAPABILITY: Standard 3-Wire and GFCI protected 120Volt AC Outlets. Frequency (Hertz) 60Hz (GFI6302)
  • GFCI FUNCTION: Tests GFI Outlets and standard outlets that are wired in series with GFCI outlets (multiple outlets in kitchen or bath)
  • RATED: 10 ft Drop and 250 lb Crush, CAT Rating III 300V, C-UL US, CE-Marking and recognized by Occupational Safety Hazards Association (OSHA) as an National Recognized Testing Laboratory (NRTL). 10 ft Drop and 250 lb Crush
Rank No. #5
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow & Black
  • VERIFIES VOLTAGE PRESENSE: Verifies the presence of AC Voltage prior to working on electrical installation or troubleshooting (GFI6302 and VD6504)
  • DURABLE: Hi-Impact Resistant ABS housing with soft over-molded rubber grips with a compact ergonomic design (GFI6302 and VD6504)
  • QUICKLY READ: Bright color-coded neon lights for easy visual indication (GFI6302)
  • CIRCUIT SENSING: Non-Contact sensitivity detects 50-1000V AC and patented battery self-test feature (VD6504)
  • AUDIBLE AND VISIBLE INDICATOR: 360° visual and beeping audio Non-Contact Voltage Detection (VD6504)
Rank No. #6
Gardner Bender GFI-3501 Ground Fault Receptacle Tester & Circuit Analyzer, 110-125V AC, for GFCI / Standard / Extension Cords & More, 7 Visual LED Tests , Red
  • Tests: standard outlets, GFCI outlets, extension cords
  • Compact and easy to use
  • Tester trips between 6-9 mA
  • Succession of yellow and red lights provide indication of circuit status or specifies wiring errors
  • Tests for ground fault interruption, open ground, open neutral, open hot, hot/ground reverse, hot/neutral reverse and correct wiring
Rank No. #7
Klein Tools NCVT2PKIT Non-Contact Voltage Tester with Receptacle Tester, 12-48V AC or 48-1000V AC Dual Range for Broad Application
  • Kit contains a non-contact voltage tester and receptacle tester
  • Dual range NCVT-2P automatically detects and indicates low voltage range and standard voltage (48-1000V AC)
  • NCVT-2P provides non-contact detection of standard voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires
  • NCVT-2P is a lightweight, compact tool with pocket clip for convenient storage and quick access
  • CAT IV 1000 Volt rating provides expanded operation and protection
SaleRank No. #8
KAIWEETS Outlet Tester 48-250V, Receptacle Tester with Voltage Display, GFCI Tester CAT II 300V, Includes 7 Visual Indications and Wiring Legend for Home & Professional Use
  • TESTING CAPABILITY: This Receptacle tester detects the most common wiring faults in standard and GFCI electrical outlets, which is also with the standard 3-Wire and GFCI protected 220 Volt AC Outlets. Capable of detecting the open wiring fault with open ground, open hot, open neutral, reverse polarity, hot/neutral reversed wires.
  • GFCI FUNCTION: This Electric tester tests GFCI devices by simulating ground fault conditions, which works on GFI outlets and confirms operation of the ground fault protective device. It tests standard outlets that are wired in parallel to GFCI outlets (multiple outlets in kitchen or bath, and outdoor receptacles require GFCI protection). Be careful of using this function on normal receptacles. It may cause house wiring trip.
  • VOLTAGE DISPLAY: This GFCI tester with LED display helps you to measure the socket voltage and display it clearly in the LCD screen, it is also designed with a compact ergonomic and Hi-Impact Resistant ABS housing, which maintains an above industry standard impact & crush resistant rating.
  • INSTANT WIRING IDENTIFICATION: The Red LED indicators can be light up clearly for easy visual indication, when activated identify one of the seven common wiring options. An easy to understand chart on the tester helps determine wiring condition in outlet, based on LED lights results.
  • SAFETY CERTIFICATE & Service: This outlet tester with GFCI conforms to CAT III 300V and CE-Marking, which backed Limited Lifetime Service. 7/24 Customer Service.
Rank No. #9
Southwire Tools & Equipment 40022S Receptacle Tester, Black
  • Push button gfci test: allows you to quickly test that the gfci trip function is working
  • Fast & accurate: southwire’s 120 volt ac gfci tester is the ideal tester for home inspectors, electricians and home renovators who need to check the wiring of outlets in kitchens, bathrooms and offices
  • 2-Sided legend: only from southwire! Accurately read test results with the tester facing right-side up or even upside down (depending on the outlet’s ground location) with brightly colored indicator lights and the 2-sided fault legend
  • 7 tests in one: open ground, open neutral, open hot, hot and ground reversed, hot and neutral reversed, correctly wired, and gfci
  • Small yet durable: its small size won’t take up much space and fits perfectly in your tool bag. Durable housing with reinforced pins will withstand up to a 6-foot drop
Rank No. #10
Klein Tools RT310 Receptacle Tester, AFCI and GFCI Outlet and Device Tester for North American AC Electrical Outlet Receptacles
  • Detects the most common wiring faults in standard, AFCI, and GFCI electrical outlets
  • Test AFCI devices by simulating arc fault conditions
  • Test GFCI devices by simulating ground fault conditions
  • Capable of detecting a dual-open wiring fault with simultaneous open neutral and open ground wires (patent pending technology)
  • Tester delivers clear visual indication of the wiring condition at the electrical outlet

Last update on 2021-07-28 / Affiliate links / Images from Amazon Product Advertising API

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Sperry Instruments GFI6302 Professional GFCI Receptacle Tester 

It is built with improved insulation for safety. Before starting to install or fix electrical issues, this device tests for AC voltage existence. It’s durable with a significant ABS case and a comfortable rubber grip, and a lightweight, ergonomic layout. For quick visual recognition, the neon lights are coded brightly, providing better readability. This product is popular due to its strong circuit sensor and proprietary battery self-test. It has visual and auditory readings that have images of 360 degrees and a useful beep for detecting non-contact voltage. This tester checks the GFI and typical sockets with a serial cord using the GFCI feature. It is meant to withstand both the house and the office’s harsh conditions. Its small size helps the higher or lower outlets plugged in not to be blocked. In terms of color, this item has a black and gold color combination.


– Easy to use and read quickly

– Accurate

– Sturdy

– Safe


– Difficult to know which lights are on during the daytime


This Sperry GFI6302 is ideal when you need a lightweight GFCI Receptacle Tester that provides consistent convenience and measures seven distinct wiring legends with the click of a button.

Gardner Bender GFI-3501 Red Receptacle Tester for Ground Defects

This machine can check the classic socket, GFCI plug, and extension cord. By overburdening the circuit and unplugging the GFCI, this product helps to examine the socket for ground failure. The design is durable and straightforward to use. Successive yellow and red lights indicate the circuit’s condition or an acknowledgment of defects in the wiring. The indicator correctly identifies open and precise ground faults. For both sides, light signs are displayed so that you can get an instant check no matter how wired in. There is a design issue that consumers have indicated that the yellow and white codes on the label are hard to read for some people having their eyes problems. If you cannot see a big difference, users should fix the highlighter colors to be distinguishable. You can also need a multimeter or a qualified electrician, depending on the issue. For occasional use, it’s excellent, but you should have it every day in your kit bag.


  • Easy to use and read
  • Accurately demonstrate wiring issues
  • Work nicely
  • Compact


  • Hard to read the yellow and white codes on the label


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For identifying socket issues, this is an essential product. Put one in your set of tools, and the problems will always be there for you to find out.

Kaitweets GFCI Receptacle Tester with LCD Screen

This receptacle tester, along with a standardized 220 Volt electric socket secured by GFCI, measures the most typical wiring defects in traditional power outlets and GFCI. It can detect a circuit breaker, hot openings, neutral openings, and polarity of reverse. This tester checks GFCI systems by detecting ground fault situations, running on GFI sockets, and testing a ground fault protection system’s performance. Customers will check the outlet voltage with the LED display and then see it directly on the LCD screen. It is also equipped with a lightweight and high-impact ABS covering to stabilize impact and bumps on resistance-rating requirements. When triggered to identify one of seven common wiring alternatives, red LED indicators will glow clearly for easy visual indications. The simple map on the tester allows, depending on the LED readings, to assess the socket’s wiring condition.


– Easy to use

– Equipped with an LCD screen to display the socket voltage

– Reading voltage quickly and accurately

– Small yet sturdy

– Safe

Cons: none


It is a small tester, but whether the socket is working or not, it has many more features than just a tester.

Southwire 40012S Black Receptacle Tester

It is considered Southwire’s best receptacle tester. The receptacle tester 40012S quickly detects the most prevalent wiring faults connected to 120V sockets. When you plug it in, the led indicator of three will promptly inform you whether or not the socket is correctly wired. It’s still easy to see as the wiring legend is on the top and bottom of the tester. It is small, so it fits in your bag well. Nothing such as batteries and the like is needed for this product. It’s effortless to use because users only have to plug it in and interpret the display. It allows users to decode the locations and variations of light that they see. The package provides instructions for using this item. You can also watch Youtube videos or ask the supplier for more details. It is good to see the lights on both sides of the tester. However, some customers have found that the variation in color between amber and red is not significant. It would be great if, rather than neon lights, there were LED lights.


– Easy to use

– Read accurately

– Three clear led lights


– Insignificant difference between amber and red lights


For domestic and technical use, it is a helpful instrument. It shows you that the receptacles are wired correctly.

If you are interested in the Receptacle Tester, due to the useful features and advantages it offers, get one straight away. With new and professionally equipped homes or offices today, we believe that the Receptacle Tester is an indispensable item in every toolkit in those places. We hope you’ll find this post helpful!

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Fabian Walker

Data Scientist, Lab Researcher, Founder of