Top Ground Fault Tester Reviews

Fluke BT510 Battery Analyzer

...nent will cause a fuse or circuit breaker to blow. When the fuse is blown due to a short circuit, using this circuit tester can help you quickly and accurately find the faulty wire and its fault point..
[ LED Indicator& Buzzer Dual Warning ]: In order to let you understand more intuitively and clearly understand the grounding of the components, the power circuit probe tester comes with an LED indicator and a buzzer. The test light can perform a quick self-test to ensure your tool is in good condition. When the current exceeds 7A, the circuit tester will disconnect the current automatically and give you a buzzer prompt, reminding you whether the tested component is faulty..
[ How to Use ]: Clip the red clip to the positive electrode of the car battery and the black clip to the negative electrode of the car battery, press button to “Positive”side with LED lighting RED, conact the tip to positive terminal of tested component to active the component. If LED turns to GREEN with buzzer, stop testing and check the component if defective or not, or rating current of component is higher than that of this tester..
[ Packing Include ]: 1 X Power Scan, 1 x Probe Tip, 1 x Battery Hookup Clips, 1 x User Manual, 2 x clips. The cable length of the circuit tester is....

Check Stock

CMTOOL Power Circuit Probe Kit 9-30V Automotive Circuit Tester, Test Light Automotive Relay Tester Kit, Car Electrical Tester Digital Voltage Tester Continuity Tester Tool with 6m/20ft Extension Cable

...iple Test Applications】【10 Working Mode】Smart Test, Multimeter Mode, Oscilloscope Mode, Relay Test, Component Activation, 0-5V Power Supply, Fuel Injector Test, Positive/Negative Test, Setting, Online Update.【Test Applications】Continuity Test, Signal Circuit Test, Activate Components in You Hand/Vehicle/W/Ground, Check for Bad Ground Contacts, Follow&Locate Short Circuits, Trailer Lights and Connection Test..
2.【Power Circuit Probe Tester with Fast Intelligent Test】Automotive circuit tester can automatically identify the voltage value, resistance value, and positive and negative polarity of the detected circuit (red light is positive, green light is negative)..
3.【Automotive Circuit Tester with Digital Multimeter Mode】Automotive circuit tester contains the common parameters of multimeters, and can quickly test the DC voltage, resistance, and diode in the circuit system, current, and frequency, bringing a lot of convenience to users..
4.【Electrical Tester with Oscilloscope Function】Circuit probe tester with 6M extension test lead, can display the parameter curve diagram of the tested component, such as voltage, frequency, time, etc. Users also can observe the test results more directly by adjusting the displayed interval..

Check Stock

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.
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.

Check Stock

Klein Tools 80077 Voltage Tester Kit with Electronic AC/DC Voltage Tester GFCI Outlet Tester and Non-Contact Voltage Tester Pen 3-Piece

AC VOLTAGE TESTER aligned with commonly used residential voltages from 12 to 240 VAC at four useful levels.
TEST DC VOLTAGES from 1.5V to greater than 17 to 24V at four useful levels.
BRIGHT LED LIGHTS illuminate to indicate the type and level of voltage detected.
GFCI TESTER detects the most common wiring problems in standard and GFCI receptacles.
CONFIRMS OPERATION of the ground fault protective device.

Check Stock

Yctze Car Spark Tester, Electronic Faults Detector MST-101 Auto Ignition Coil Tester Tool for ignition coil tester automotive electronic fault detector ignition coil tester coil pack tester spark plug

Perfect choice -----The ABS head is easy to insert and durable, making it the right choice. ignition coil tester.
Function-----You can quickly and easily diagnose whether the ignition system of the car is working properly, avoid fire, and burn out the ignition coil. for automotive electronic fault detector ignition coil tester car ignition coil tester.
With LED indicator light -----The internal LED light will show you if the ignition system is normal. for coil pack tester mst 101.
Safe & Reliable-----It provides a safe and reliable troubleshooting method that is convenient, economical and time-saving. for spark plugs and coil tester small engine spark tester.
Premium material-----Made of high quality aluminum material which is characterized by its high hardness and corrosion resistance, ensuring long-lasting durability. for spark tester automotive electronic fault detector ignition coil tester.

Check Stock

Klein Tools VDV526-100 Network LAN Cable Tester, VDV Tester, LAN Explorer with Remote

Cable tester with single button testing of RJ11, RJ12 and RJ45 terminated voice and data cables.
Fast LED responses indicate cable status (Pass, Miswire, Open-Fault, Short-Fault, and Shield).
Test remote stores securely in tester body.
Compact tester easily fits in your pocket.
Auto Power-off feature to conserve battery life (9V included).

Check Stock

NOYAFA Multifuncational Strong Electric Underground Wire Tracer, NF-825TMR Locator Circuit Breaker Finder Socket Test,Electric Wire Detector.

Detecting cables, electrical lines-water/gas supply pipelines buried in wall or earth.
Detecting interruptions and short circuit in cables and electrical lines buried in wall or earth.
NF-825TMR --- Non interference search for the direction and breaking point of strong current lines in the wall under the floor, search for air switch lines and network lines, connect POE switch lines, have socket tester and test pencil functions.
NF-825MJ --- air switch line finder, looking for lines with 220V strong current, and accurately solving the fault point.
NF-825M --- socket tester to test whether the neutral line, live line and ground wire are connected properly.

Check Stock

Automotive Circuit Tester, Test Light Automotive 3-24 Volt DC Voltage Tester, Dual Probes PU Antifreeze Cable Big Alligator Clip Two-Way Voltage Test, Testing Circuit Low Voltage System,HOLYSHINE

...uit tester bulb has high visibility and long service life. It can indicate the state of the circuit. The brightness of the top 3W lamp can be changed with the measured voltage and can be replaced..
【BIDIRECTIONAL TESTING】: Alligator Clamps of Circuit Breaker Tester Can Be Connected to Either Negative or Positive Ground, With the Probe Touching the Other Side. During Positive Connection, The Red Led Will Be On, And During Negative Connection, The Green Led Will Be On..
【CUSTOMER SATISFACTION】: Please Let Us Know If There Is Anything We Can Do to Help You If You Are Not Satisfied..

Check Stock

Computer PC Power Supply Tester 20/24 4/6/8 PIN for ATX, ITX, BTX, PCI-E, SATA, HDD, IDE with Aluminum Alloy Enclosure 1.8' LCD ATX Power Supply Tester

【ATX Power Supply Tester】SAMFINTON computer power supply tester support 20-pin / 24-pin / HDD / Floppy 4-pin / PCI-e 6-pin / 4-pin / 8-pin / SATA connectors..
【Aluminum Alloy Enclosure】Nice thermal conductivity & corrosion Resistance,with a high strength housing. The computer power tester is more durable than the plastic case on the market..
【Practical PC Power Tester】The 1.8inch LCD display intuitive and accurate display outputted Voltages (+/-0.01V), automatic fault alarm..
【Normal】Turn on the power supply, will hear “DiDi” ring, If all groups of data are not flashing, the power supply output voltage is normal..
【Faulty】If a certain voltage signal is not detected, or the detected voltage value exceeds the normal value, a long “beep” buzzer will be emitted.
if the corresponding voltage value or PG also flashes, it indicates a fault..

Check Stock

Klein Tools RT210 Outlet Tester, Receptacle Tester for GFCI / Standard North American AC Electrical Outlets, Detects Common Wiring Problems

GFCI Tester detects the most common wiring problems in standard and GFCI receptacles.
Works on GFCI outlets and confirms operation of the ground fault protective device.
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.

Check Stock

AUTOOL Power Circuit Probe Kit 6-24V Automotive Circuit Tester with Auto Electrical System Testing Functions (Digital Voltage Tester/Multimeter/Short Finder/Battery Tester/Power or Ground Supply)

...ately find the faulty wire and its fault point..
【Multi Functional】Automotive electric system is test for continuity. Test for polarity of a voltage. Check switches, relays and the on-off of diodes, fuses and circuits . Test for polarity of electric cables and plugs. Track and locate short circuits. Test for bad ground contacts.Do not use on AC voltage..
【Easy To Use】The power circuit probe can be used to test and activate components in or out of the vehicle electrical system. Press button to “Positive”side with LED lighting RED. Conact the probe tip to positive terminal of tested component to active the component. If LED turns to GREEN with buzzer, stop testing and check the component if defective or not, or rating current of component is higher than that of this tester..
【Widely Applicable】The car circuit tester is suitable for the diagnosis of all 6V to 24V automotive electrical systems and can work well on cars, trucks, boats, trailers, motorcycles, and airplanes. The portable and ergonomic design of the automotive power circuit probe is convenient for you to use in narrow areas.
the 4-meter extension cord is helpful for mobile maintenance work.
the clip with strong bite force is not easy to fall off, providing you with a better expe....

Check Stock

Leviton AGTR1-W SmartlockPro Dual Function AFCI/GFCI Receptacle, 15 Amp/125V, White

Offers protection from electrical fires and shocks in one device. Interrupts power if a potentially dangerous arc-fault or ground fault is detected.
Periodically conducts an automatic internal test to confirm that GFCI protected power is available.
Patented lockout action prevents reset if damaged and cannot respond to an arc-fault or ground fault.
Replaces a standard receptacle and has test and reset buttons on face for localized testing and resetting.
Can be used to meet code requirements for AFCI and GFCI protection in residential kitchens and laundry areas.
Tamper-Resistant – shutter mechanism inside the receptacle helps prevent access to the contacts unless ....

Check Stock

Klein Tools RT250KIT Non-Contact Voltage Tester and GFCI Receptacle Tester & 11055 Wire Cutter and Wire Stripper, Stranded Wire Cutter, Solid Wire Cutter, Cuts Copper Wire

Product 1: GFCI Receptacle Tester features a large backlit LCD readout of voltage, and clear indication of wiring conditions.
Product 1: LCD readout shows the time required to trip a GFCI device.
Product 1: Patent pending detection of Open Neutral / Open Ground wiring fault.
Product 1: For use on 3-wire, North American 120V electrical outlets only.
Product 2: Cuts, strips, and loops 10-18 AWG Solid and 12-20 AWG Stranded wire and cleanly shears 6-32 and 8-32 shears.
Product 2: Precision ground stripping holes.
Product 2: Strong-gripping serrated nose for easy bending, shaping, and pulling of wire.
Product 2: Holes for looping and bending wire.

Check Stock