10 Best Outlet Tester of August 2025

• 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

Klein Tools

• 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
• WARRANTY: Sperry Instruments Backed Limited Lifetime Warranty

Sperry Instruments

• 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. 6.6-foot (2 m) drop protection
• BRIGHT LED LIGHTS. Illuminate green and red for visual indicators
• FOR NORTH AMERICAN 120V ELECTRICAL OUTLETS ONLY. CAT II 135V safety rating
• Durable 6.6-Foot (2 m) drop protection
• For use on 3-wire, North American 120V electrical outlets only

Klein Tools

• 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)
• RATED: CAT Rating III 300V, C-UL US (GFI6302), CAT Rating III 1000V, IV 600V, (VD6504) 10 ft Drop and 250 lb Crush (GFI6302 and VD6504)

Sperry Instruments

• 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

Gardner Bender

• This circuit breaker finder can quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected
• Tester consists of two parts: a Transmitter, connected to the electrical outlet or fixture and a Receiver, used to scan the panel to locate the correct breaker
• Receiver delivers clear visual and audible indications when the correct breaker has been located
• Operates on 90-120V AC circuits
• Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices

Klein Tools

• Non-Contact Voltage Tester senses AC voltage from 50-600V
• Non-Contact Voltage Tester features visual and audible indicator, pocket clip, on-off button
• GFCI Outlet Tester features indicating lamps that indicate 5 common wiring errors
• GFCI Outlet Tester has comfortable contoured design
• Two Piece Safety Kit
• Superior quality at an affordable price
• Gardner Bender branded products and professional equipment have been a mainstay with electrical contractors
• Two Piece Safety Kit
• Superior quality at an affordable price
• Gardner Bender branded products and professional equipment have been a mainstay with electrical contractors

Gardner Bender

• 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.

KAIWEETS

• SAVE TIME AND MONEY: With 2 popular testers in 1 unit - featuring a non-contact voltage detector on one end and GFCI outlet tester on the other
• DURABLE: Hi-Impact Resistant Polycarbonate Housing with soft over-molded rubber grips with a compact ergonomic design
• INDUSTRY LEADING: Advanced ground testing circuitry precisely detects the required low resistance values
• CIRCUIT SENSING: Non-Contact sensitivity detects 50-600V AC and 50-60Hz
• AUDIBLE AND VISIBLE INDICATOR: 360° visual and beeping audio Non-Contact Voltage Detection
• RATED: 10 ft Drop and 250 lb Crush, CAT Rating III 1000V, C-UL US, CE-Marking and recognized by Occupational Safety Hazards Association (OSHA) as an National Recognized Testing Laboratory (NRTL)

Sperry Instruments

• FAST & ACCURATE: Southwire’s 120 Volt AC receptacle tester is the ideal tester for home inspectors, electricians and home renovators who need to check the wiring of outlets in homes and offices
• 2-SIDED LEGEND: Only from Southwire! Easily 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
• 6 TESTS IN ONE: Open ground, open neutral, open hot, hot and grounded reversed, hot and grounded neutral reversed and correctly wired
• SMALL YET DURABLE: Its small size won’t take up much space and fits perfectly in your tool bag and the durable housing with reinforced pins will withstand up to a 6-foot drop
• 5-YEAR
• UL Listed
• Material Type: Abs

Southwire