Reviews Electrical Wiring Tester

Klein Tools RT310 Outlet Tester, AFCI and GFCI Receptacle Tester for North American AC Electrical Outlets

  • GFCI Tester 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.
Check Stock

CURT 58270 7-Pin RV Blade Trailer Wiring Towing Vehicle Socket Tester, Black

  • VERSATILE. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power.
  • SIMPLE TO USE. For each electrical function, an LED lights up indicating a good signal. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat.
  • EASY GRIP. Plugging in this 7-way trailer light tester into your vehicle is easy with its ergonomic design. It features two hooks on either side of the tester for a better grip when plugging in or unplugging.
  • LONG-LASTING LEDS. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes.
  • DURABLE HOUSING. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode.
Check Stock

CURT 58271 7-Pin RV Blade Trailer Wiring Towing Vehicle Socket Tester, Black

  • VERSATILE. Quickly and confidently confirm the functionality of your vehicle's trailer wiring harness with this connector tester for the taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power.
  • SIMPLE TO USE. For each electrical function, an LED lights up indicating a good signal. Just plug the wiring tester into your vehicle's socket and have a helper check the LED signals as you activate them from the driver's seat.
  • EASY GRIP. Plugging in this 7-way trailer light tester into your vehicle is easy with its ergonomic design. It features two hooks on either side of the tester for a better grip when plugging in or unplugging.
  • LONG-LASTING LEDS. To produce a bright, easy-to-read signal and ensure long-lasting use, this vehicle-trailer wiring tester is constructed with LED diodes.
  • DURABLE HOUSING. To resist the elements and maintain reliable performance, the housing of this tow wiring tester is made from durable black plastic that will never rust or corrode.
Check Stock

Klein Tools 81021 Electrical Tester Tool Kit with Multimeter Non-Contact Voltage Pen Receptacle Tester Wire Stripper / Cutter 4-Piece

  • ELECTRICAL TESTER TOOL KIT includes Multimeter, Non-Contact Volt Tester Pen, Receptacle Tester, and Wire Stripper and Cutter.
  • MANUAL-RANGING DIGITAL MULTIMETER measures AC/DC voltage, DC current and resistance (Cat. No. MM300).
  • NON-CONTACT VOLTAGE TESTER PEN provides non-contact detection of voltage 50 to 1000V (Cat. No. NCVT1P).
  • CAT IV 1000V SAFETY RATING provides expanded operation and protection (Cat. No. NCVT1P).
  • RECEPTACLE TESTER detects wiring configurations and indicates correct wiring, and identifies common wiring faults (Cat. No. RT105).
Check Stock

Klein Tools ET310 AC Circuit Breaker Finder with Integrated GFCI Outlet Tester

  • 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.
  • GFCI 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.
  • Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices.
  • Transmitter docks in the Receiver for convenient storage as a single item when tester is not is use.
  • Transmitter incorporates a three-pin plug for connecting to North-American-style grounded electrical outlets.
Check Stock

Circuit Breaker Finder, GFCI Circuit Tester & Flashlight: Updated 3-in-1 Circuit Breaker Finder with Electrical Panel Labels to Identify The Circuit Breaker powering an Outlet by VersativTECH

  • ALWAYS BE PREPARED w LED flashlight, GFCI circuit tester & Circuit Breaker Locator with 80 Breaker Box Labels included for the best value..
  • Save time with the GFCI circuit tester to identify the 5 common electrical outlet wiring faults quickly with Weather-Resistant breaker panel labels..
  • BONUS 80 Breaker Panel Labels, 9v battery and carrying case with our Circuit Breaker Finder receiver, GFCI circuit tester transmitter & Flashlight Multitool to keep everything organized together..
  • BONUS 80 Weather-Resistant Breaker Panel Labels & Carry Case INCLUDED. Weather-resistant, tear-proof writable vinyl stickers / electrical breaker box labels are included to help mark each fuse. Long lasting labels suitable for indoor / outdoor uses i.e. door panels, fuse boxes, electrical panels, circuit breaker boxes and more..
  • 100% Satisfaction Assurance. We only partner with quality manufactures to bring great products at an amazing value and provide a 1 year manufacturer warranty on this Circuit Breaker Finder.
Check Stock

Trailer Cable 4 Conductor 16 Ga Pvc Black Jacket 60V-100Feet

  • VERSATILE DESIGN. This trailer wiring adapter makes it easy to connect a mismatched vehicle socket and trailer plug, adapting your 7-way RV blade connector into a standard 4-way flat socket.
  • INTEGRATED TESTER. This trailer wiring adapter features a dust cover with a built-in LED wiring tester to ensure proper functionality of your vehicle towing electrical system. The dust cover also protects the 4-pin wiring socket.
  • STANDARD CONNECTION. This trailer hitch wiring adapter plugs into any standard 7-way RV blade and can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power.
  • NO-SPLICE INSTALL. This 7-pin to 4-pin trailer adapter wiring comes ready to plug into your vehicle or trailer wiring with zero splicing required.
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this trailer harness adapter is made from durable black plastic that will never rust or corrode.
Check Stock

CMTOOL Test Light Automotive Power Circuit Probe Tester with 4M Test Lead 6-24V DC Led Light Tester Fuse Tester 12V Wire Circuit Tester Auto 12 Volt Electrical System Tools Car Truck Circuit Test Pen

  • 1.【Portable Multifunctional Electrical Tester】The 4-meter extension cord is helpful for mobile maintenance work and is suitable for diagnostics of all 6V to 24V automotive electrical systems. The tester is made of ABS material, which is moisture-proof, high-temperature resistant, impact-resistant and has a longer service life. The tester also has an overload protection device, When the current exceeds 7A, the circuit breaker inside the device will automatically trip and give out a buzzer prompt..
  • 2.【Polarity Test and Continuity Test】The tester is made of insulating material and high-quality stainless steel, which can help you quickly identify the positive and negative polarity of the vehicle cable and plug. When the tester touches the positive pole, the LED should be red.
  • when it touches the negative pole, the LED should be GREEN. The electric circuit tester is also used to check the continuity of switches, relays, diodes, fuses, and circuits..
  • 3.【Component Activation and Testing】For professionals or car enthusiasts, this continuity tester is a great tool. The automotive short circuit tester can activate the components in/out of the vehicle's electr....
Check Stock

UL1439D Sharp Edge Tester Included 21PCS Test Cap

  • This circuit breaker finder can quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an....
  • GFCI 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....
  • Receiver delivers clear visual and audible indications when the correct breaker has been located.
  • Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices.
Check Stock

Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories, 2-Piece Set & RT250 GFCI Receptacle Tester with LCD Display, for Standard 3-Wire 120V Electrical Outlets

  • Product 1: Circuit Breaker Tool Kit can help quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected.
  • Product 1: Digital Circuit Breaker Finder with GFCI Outlet Tester (Cat. No. ET310) receiver delivers clear visual and audible indications when the correct breaker has been located.
  • Product 1: Operates on 90-120V AC circuits.
  • Product 1: Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices.
  • Product 2: LARGE CLEAR LCD READOUT on receptacle tester to instantly view results without the need to look at a chart to understand results.
  • Product 2: TEST GFCI TRIP TIME IN SECONDS to find out if the trip breaker is functioning.
  • Product 2: DETECT WIRING FAULTS of open ground, open neutral, open hot, dual open (neutral and ground), reversed hot/ground, and reversed hot/neutral.
  • Product 2: AUTO-HOLD FUNCTION is convenient for hard-to-reach outlets.
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

  • 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..
  • 5.【Power Circuit Tester Kit with Component Activation Function】There is 4 activation modes for the component activation function of the automotive probe tester, which can generate "activation" signals for components, such as lights, motors, and other in-vehicle electronic devices..
  • 6.【Power Circuit Probe Tester for Relay Test & Injector Test】Automotive relay tester function: able to test common automotive relays, such as 5-port relays and 4-port relays. Injector test function: 4 types of pulse models can be output to the injector to better detect the condition of the injector..
  • 7.【Circuit Tester with Voltage Prompt Function】 The output voltage....
Check Stock

CURT 57674 Dual-Output 4-Way Flat Vehicle-Side to 7-Way RV Blade Trailer Wiring Adapter with Tester

  • VERSATILE DESIGN. This dual-output trailer wiring adapter makes it easy to tow different trailers with your vehicle, equipping it with a standard 7-way RV blade socket while retaining use of the existing 4-way flat wiring.
  • WEATHER-RESISTANT. This trailer wiring harness adapter comes with dust covers for the 4-pin and 7-pin wiring sockets to protect the terminals from water, dirt and corrosion. The wiring harness is also well-protected with the included slit loom sleeve.
  • INTEGRATED TESTER. The 7-pin output of this dual trailer wiring adapter features a built-in LED wiring tester in the dust cover to ensure proper functionality of your vehicle towing electrical system.
  • STANDARD CONNECTION. This trailer hitch wiring adapter plugs into any standard 4-way flat and can be used to connect the taillights, brake lights, turn signals, reverse lights, trailer brakes and auxiliary power (some splicing required).
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this trailer harness adapter is made from durable black plastic that will never rust or corrode.
Check Stock

TopDiag P200 Automotive Circuit Tester, Power Circuit Probe Kit, 9~30V with Multimeter/Relay/Fuel Injector Tester/Activating Component/0~5V Power with 20ft Cable for 12V 24V Vehicle

  • 【Powerful Circuit Tester Kit】The P200 Automotive Circuit Tester is the only circuit tester on the market that can be upgraded, a tool for quickly testing all ✅9V-30V✅ electronic systems. It can diagnose problems in the components, electrical circuit systems or fuel injectors of the car in the shortest time. Not only the test time is greatly shortened, but also more intelligent and intuitive, suitable for any novice driver or maintenance engineer..
  • 【Fuel Injector & Relay Tester】It is extremely important to regularly test the fuel injector. Damage to the fuel injector can easily lead to unstable idle speed of the engine, increased fuel consumption, causing engine shock. It is worth mentioning that TopDiag P200 auto circuit tester has been added 300+ USD valued powerful functions, namely: ✅Fuel Injector Test✅ Relay test mode. TopDiag makes diagnosing your car easier and saves maintenance costs..
  • 【0~5V Adjustable Power Supply & Activating Components】0~5V power is useful when checking the wiring to the ECU/ECM, also meet the voltage requirements for the sensitive parts with low voltage. Besides positive activation, negative activation is our n....
Check Stock