Electrical Testing
Featured Brands
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Dorman® - 6 to 12 V Electrical Continuity Tester (86598)6 to 12 V Electrical Continuity Tester (86598) by Dorman®. This economical, time-saving pack of Electrical Circuit Testing Tools contains testers that provide multiple trouble-shooting capabilities.Pack includes three testers Constructed of quality plastic, copper and steel Tools included: 6-12V circuit tester, 18/24/36VDC circuit tester, and a continuity tester We offer a comprehensive line of Electrical Multi-testers, sold separatelyDesigned to help to get your job done right$3.26In Stock - Ships within 24 hrs - Dorman® - 6 to 12 V Light/Sound Hook Probe Circuit Tester with Interchangeable Tips (86273)6 to 12 V Light/Sound Hook Probe Circuit Tester with Interchangeable Tips by Dorman®. Test electrical circuits with confidence using this multi-function electrical tester. Made to test a variety of electrical parameters, it is...Durable construction - this electrical multi-tester is made from quality materials to ensure reliable resultsVersatile shop tool - this multi-function tester can be used to confirm a variety of electrical system parameters$15.32In Stock - Ships within 24 hrs
- Dorman® - 6 to 24 V Electrical Circuit Tester (86592)6 to 24 V Electrical Circuit Tester (86592) by Dorman®. Test electrical circuits with confidence using this multi-function electrical tester. Made to test a variety of electrical parameters, it is constructed of quality materials to...Durable construction - this electrical multi-tester is made from quality materials to ensure reliable resultsVersatile shop tool - this multi-function tester can be used to confirm a variety of electrical system parameters$8.65In Stock - Ships within 24 hrs
- Dorman® - 6 to 24 V Hook Probe Tester Tool (86271)6 to 24 V Hook Probe Tester Tool by Dorman®. Test electrical circuits with confidence using this multi-function electrical tester. Made to test a variety of electrical parameters, it is constructed of quality materials to deliver...Durable construction - this electrical multi-tester is made from quality materials to ensure reliable resultsVersatile shop tool - this multi-function tester can be used to confirm a variety of electrical system parameters$5.44In Stock - Ships within 24 hrs
- Dorman® - 6 to 48 V Heavy-Duty Continuity Tester (86613)6 to 48 V Heavy-Duty Continuity Tester by Dorman®. Test electrical circuits with confidence using this multi-function electrical tester. Made to test a variety of electrical parameters, it is constructed of quality materials to deliver...Durable construction - this electrical multi-tester is made from quality materials to ensure reliable resultsVersatile shop tool - this multi-function tester can be used to confirm a variety of electrical system parameters$13.12In Stock - Ships within 24 hrs
- Electronic Specialties® - High Digital Current Probe with Multimeter (655)High Digital Current Probe with Multimeter by Electronic Specialties®. Another great tool for all around electrical troubleshooting. The #655 is ideal for all high current applications, especially starting and charging diagnostics. The...37 Test Ranges10 Test Functions$131.27In Stock - Ships in 24 to 48 hrs
- Ingersoll Rand® - KD Tools™ Low-Voltage Circuit Tester (129)KD Tools™ Low-Voltage Circuit Tester by Ingersoll Rand®. 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...Strict quality control from start to finishStylish design, top quality, and enduring value$6.31In Stock - Ships within 24 hrs
- Ingersoll Rand® - KD Tools™ Low-Voltage Circuit Tester for 6/12V Electrical Systems (2646)KD Tools™ Low-Voltage Circuit Tester for 6/12V Electrical Systems by Ingersoll Rand®. 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...Strict quality control from start to finishStylish design, top quality, and enduring value$4.02In Stock - Ships within 24 hrs
- Power Probe® - AC/DC Amp Clamp Meter (PPDCM80)AC/DC Amp Clamp Meter by Power Probe®. The Power Probe Digital Clamp Meter is an 80 amp, auto-ranging clamp meter designed specifically for the automotive technician. This meter is rated CAT III 600V and can measure Volts, Amps, Ohms,...Parasitic Draw Testing (resolution 1mA)Resistance Testing$225.21In Stock - Ships within 24 hrs
- S&G Tool Aid® - 12 to 42 V Circuit Tester (28200)12 to 42 V Circuit Tester by S&G Tool Aid®. 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 12, 24 Volt and 42 Volt Hybrid systemsComputer safe - draws 3 milliamps at 12 Volts$20.94In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - 18 to 36 V AC/DC Heavy-Duty Circuit Tester (21300)18 to 36 V AC/DC Heavy-Duty Circuit Tester (21300) by S&G Tool Aid®. 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...Checks AC and DC wiring up to 36 voltsUse to check series-parallel switches and solenoids on tractor-trailer starter systems$7.76In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - 6 to 12 V Check-Point Circuit Tester (21000)6 to 12 V Check-Point Circuit Tester by S&G Tool Aid®. 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...Most widely used automotive circuit testerQuickly checks all 6 and 12 volt systems$6.05In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - 6 to 12 V Heavy-Duty Circuit Tester with Retractable Wire & Long Probe (27250)6 to 12 V Heavy-Duty Circuit Tester with Retractable Wire & Long Probe (27250) by S&G Tool Aid®. Failure to properly maintain the electrical system can result in its damage and costly repairs. Do everything right the first time. Inspect...Features an extra long wire that stretches up to 12 feet for use, then automatically retractsQuickly and easily check electrical circuits and accessories on 6 and 12 volt systems$14.99In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - 6 to 12 V Heavy-Duty Lifetime Circuit Tester (27000)6 to 12 V Heavy-Duty Lifetime Circuit Tester by S&G Tool Aid®. 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...Checks 6 and 12 volt systemsHeavy duty battery clip$6.99In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - 90° Test Light (36345)90° Test Light by S&G Tool Aid®. 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 quality at...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$16.99In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - Straight Test Light (36344)Straight Test Light by S&G Tool Aid®. 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...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$16.99In Stock - Ships in 24 to 48 hrs
- TRC® - 1000 A AC/DC True RMS Clamp Meter (23070T)1000 A AC/DC True RMS Clamp Meter (23070T) by TRC®. 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$162.69In Stock - Ships within 24 hrs
- Cal-Van Tools® - 20-piece Electrical Back Probe Kit (613)20-piece Electrical Back Probe Kit (613) by Cal-Van Tools®. 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...Access electrical circuits from the back side of connectorsExtended wires make testing connectors more convenient$17.05In Stock - Ships in 24 to 48 hrs
- Electronic Specialties® - Push on Alligator Clips Set (180-1)Push on Alligator Clips Set by Electronic Specialties®. 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$6.51In Stock - Ships in 24 to 48 hrs
- Electronic Specialties® - Service Center Pack Test Lead (801)Service Center Pack Test Lead by Electronic Specialties®. 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...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$163.40In Stock - Ships in 24 to 48 hrs
- Electronic Specialties® - Temperature Probe (656)Temperature Probe by Electronic Specialties®. 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$12.10In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - Curved Back Probe Set (23535)Curved Back Probe Set by S&G Tool Aid®. 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$6.18In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - Flexible Back Probes (23540)Flexible Back Probes by S&G Tool Aid®. 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$6.18In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - Master Back Probe Kit (23550)Master Back Probe Kit by S&G Tool Aid®. 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$17.60In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - Replacement Bulb for 21000 Check-Point Circuit Tester (21007)Replacement Bulb for 21000 Check-Point Circuit Tester (21007) by S&G Tool Aid®. 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...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$1.93In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - Replacement Bulb for 21300 Heavy-Duty Circuit Tester (21307)Replacement Bulb for 21300 Heavy-Duty Circuit Tester (21307) by S&G Tool Aid®. 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...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$2.68In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - Replacement Bulb for 21400 Circuit Testers (21407)Replacement Bulb for 21400 Circuit Testers (21407) by S&G Tool Aid®. 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...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$2.65In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - Replacement Bulb for 23900 Circuit Testers (23904)Replacement Bulb for 23900 Circuit Testers (23904) by S&G Tool Aid®. 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...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$2.88In Stock - Ships within 24 hrs
- S&G Tool Aid® - Replacement Bulb for 23970 Circuit Testers (23975)Replacement Bulb for 23970 Circuit Testers (23975) by S&G Tool Aid®. 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...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$3.34In Stock - Ships in 24 to 48 hrs
- S&G Tool Aid® - Replacement Bulb for 27050 Circuit Testers (27060)Replacement Bulb for 27050 Circuit Testers (27060) by S&G Tool Aid®. 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...Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality$2.03In Stock - Ships in 24 to 48 hrs
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.