Electrical Testing
Featured Brands
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Performance Tool®3 to 48 V DC LCD Digital Circuit Tester (W2992)3 to 48 V DC LCD Digital Circuit Tester by Performance Tool®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect and keep the electrical system in...Economy LCD Circuit Tester with LED back lightIdeally used to detect power, voltage, ground, and circuit integrity$19.95 - Performance Tool®6 to 24 V AC/DC Heavy-Duty Circuit Tester (W2981)6 to 24 V AC/DC Heavy-Duty Circuit Tester by Performance Tool®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect and keep the electrical system...Heavy duty test lead with spring clipTests 6, 12 and 24 volt AC and DC circuits$6.30
- Performance Tool®Automotive Circuit Tester (1486)Automotive Circuit Tester by Performance Tool®. If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels of...Designed to help to get your job done rightManufactured utilizing the highest quality materials$6.83
- Performance Tool®Circuit Tester Set (W2983)Circuit Tester Set by Performance Tool®. If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels of...Designed to help to get your job done rightManufactured utilizing the highest quality materials$10.00
- Performance Tool®Continuity Tester (W2982)Continuity Tester by Performance Tool®. If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels of...Designed to help to get your job done rightManufactured utilizing the highest quality materials$4.64
- Performance Tool®Cordles Circuit Tester (W2979)Cordles Circuit Tester by Performance Tool®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Detects voltage from 3v to 28vSafe with ECM's, sensors, transducers, etc$15.26
- Performance Tool®Hook Probe Circuit Tester (W2993)Hook Probe Circuit Tester by Performance Tool®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect and keep the electrical system in a safe working...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$8.68
- Performance Tool®Hybrid Circuit Tester (W2978)Hybrid Circuit Tester by Performance Tool®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...For 12 and 42 volt standard and hybrid systemsAutomatic voltage identification with blue LED (12v) and red LED (42v)$16.89
- ATD®12 to 42 V Hybrid Circuit Tester (55042)12 to 42 V Hybrid Circuit Tester by ATD®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect and keep the electrical system in a safe working...For 12V & 42V Hybrid systems{:os:}Automatic Voltage Identification: BLUE LED for 12V and RED LED for 42V{:os:}Pointed probe tests through wire insulation{:os:}Computer and airbag safe{:os:}12' heat and oil resistant coiled cordDesigned to help to get your job done right$23.40
- ATD®Heavy-Duty Circuit Tester with 10' Coil Cord (5624)Heavy-Duty Circuit Tester with 10' Coil Cord (5624) by ATD®. If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers...New coil cord design for ease of useAcetate handle, coiled lead wire$15.21
- ATD®Heavy-Duty Circuit Tester with 5' Stright Cord (5513)Heavy-Duty Circuit Tester with 5' Stright Cord (5513) by ATD®. If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers...Easily checks 6 and 12V systems5 ft. heavy-duty lead$16.61
- ATD®Primary Circuit Tester (5500)Primary Circuit Tester by ATD®. If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels of durability and...Tests 6 and 12VLocates shorts, open circuits and grounds$7.12
- ATD®Profesional Cordles Circuit Tester (5503)Profesional Cordles Circuit Tester by ATD®. If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels of...Tests circuits from 3 to 28 Volts DCLED light and buzzer indicator$16.75
- ATD®Relay Circuit Tester Kit (5614)Relay Circuit Tester Kit by ATD®. If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels of durability and...Able to Test an entire circuit - from battery to component, including the relayAllows the technician to diagnose the problem without the use of a multimeter$211.99
- Astro Pneumatic Tool®3 to 48 V DC Digital LCD Wide Range Circuit Tester (7764)3 to 48 V DC Digital LCD Wide Range Circuit Tester by Astro Pneumatic Tool®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect and keep the...Computer Safe with Backlit LCD display for accurate voltage readoutsSmall, ergonomic design for easy use in confined areas$26.86
- Astro Pneumatic Tool®Cordless Circuit Tester (7760)Cordless Circuit Tester by Astro Pneumatic Tool®. If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels...This unit does not require ground wire or clip and is safe with ECMs, Sensors, Transducers, Airbags, etc.Designed to be used on DC powered circuits with voltages between 3 and 28 volts$13.62
- Audiopipe®Pipeman's Heavy-Duty Circuit Tester (ICT112)Pipeman's Heavy-Duty Circuit Tester by Audiopipe®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect and keep the electrical system in a safe...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$10.99
- CTA®Low-Voltage Standard Circuit Tester (3024)Low-Voltage Standard Circuit Tester by CTA®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...Tests for shorts, grounds, open circuitsBroken wires and bad connections in 6 and 12 volt systems$5.91
- Camco®Water Heater Continuity Tester (10023)Water Heater Continuity Tester by Camco®. Test your water heater elements and circuits with ease. If you're looking for a quality product that will serve you for years to come, look no further. Get your job done right every time with...Developed to comply with rigorous quality standardsCutting-edge innovations, reliable design, solid value$16.91
- General Tools®One-Piece Airflow Volume Anemometer-Thermometer (DCFM8906)One-Piece Airflow Volume Anemometer-Thermometer by General Tools®. The one-piece #DCFM8906 anemometer is ideal for measuring the airflow speed and volume output of exhaust fans and blowers. Get your job done right every time with...Measures and displays air speed, airflow volume and ambient temperatureMin/Max memory + data hold$197.48
- Husky Towing®4 Wire Flat Trailer Wiring Circuit Tester (30178)4 Wire Flat Trailer Wiring Circuit Tester by Husky Towing®. Fits 4 Wire Flat; Test Left/Right Turn/ Brake And Tail Light; LED Indicator Light; Without Dust Cover. It is Husky Towing Trailer Wiring Connector Mounting Bracket 4-wire flat...LED Indicator Lights Test Left Or Right Turn, Brake And Tail LightRed LED Lights Will Glow If Connection Is Correct When The Function Is Activated$9.15
- Install Bay®All-in-One Tone Generator (IBR68)All-in-One Tone Generator by Install Bay®. Get your job done right every time with top-of-the-line electrical testing tools showcased on our virtual shelves! Whether you’re testing, designing, diagnosing, or doing any other job, they...RCA cable testerEasy to use control knobs$33.99
- Install Bay®Computer-Safe Circuit Tester (IB27450)Computer-Safe Circuit Tester by Install Bay®. If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels of...Works Without Damaging Sensitive Electronic Components.Safe For Use On 12 Volt Automotive Computer Circuits.$29.95
- Install Bay®Mount for IBR56 IBR57 and IBR58 Power Sockets (IBR60)Mount for IBR56 IBR57 and IBR58 Power Sockets by Install Bay®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$9.75
- Install Bay®Test Light/Circuit Tester (3410)Test Light/Circuit Tester by Install Bay®. If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels of...Helps to quickly identify if there is voltage present on wiring and circuitsErgonomic grip design with 6-foot Test leads$22.51
- Lisle®"Handy Hooker" Circuit Tester (25600)"Handy Hooker" Circuit Tester by Lisle®. Hooded Probe Protects Your Fingers and Automatically Centers the Wire. Small size allows easy use even in the tightest places. Quickly test low voltage up to 12 volts. Alligator clip grounds...Designed to help to get your job done rightManufactured utilizing the highest quality materials$16.85
- Lisle®6 to 12 V AC/DC Circuit Tester (26250)6 to 12 V AC/DC Circuit Tester (26250) by Lisle®. Quick check both AC and DC current up to 12 volts with power on. Helps locate shorts or breaks in wiring. Complete with insulated grounding clip.Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$8.15
- Lisle®6 to 12 V Heavy-Duty Circuit Tester (28400)6 to 12 V Heavy-Duty Circuit Tester (28400) by Lisle®. Quickly Tests Low Voltage up to 12 Volts. A heavy duty circuit tester for lifetime use. The probe, handle, cord and clamp are reinforced for extra durability. Comes with a strain...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$14.75
- Lisle®6 to 24 V Circuit Tester with Buzzer (28620)6 to 24 V Circuit Tester with Buzzer (28620) by Lisle®. Heavy-Duty Tester Signals with a Light and a Buzzer. Tests low voltage up to 28 volts. Spring loaded hook can be removed to use the probe tip only. Can also be used to check...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$25.30
- Lisle®6 to 24 V Heavy-Duty Circuit Tester (27430)6 to 24 V Heavy-Duty Circuit Tester (27430) by Lisle®. Quickly Tests Voltage up to 24 Volts. Heavy duty probe, cord and clamp. The probe is insulated with high-visibility shrink tubing to prevent the possibility of shorting the side of...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$14.17
Almost any wiring job requires electrical circuit testing to make sure everything is OK, and there are numerous electrical testing tools available on the market. The simplest electrical testing device is a test light tool. It has a probe that leads to a fuse located inside the device. The fuse is connected to the light, which lights up to indicate that current comes through it. Also, test light tools may have a clamp for ground connection. If short circuit occurs, the fuse in the tool blows and does not allow for excessive current flow. So, test light tools are quite simple and inexpensive devices, which are needed for dealing with basic electric jobs.
Multimeters provide more information about electric current and show voltage, resistance, and more. Such tools help to find various electric faults and eliminate them. If your job requires testing isolation resistance, you will need a megohmmeter. If you need to check the safety of the electrical system, a current leakage tester can be very helpful. We also carry current line splitters, cable height meters, circuit tracers and accessories, current probes, and more. Take advantage of quality electrical testing tools we offer at a fair price.