Circuit Testers
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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$9.14 - 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$22.93
- 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$20.81
- 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$8.21
- K-Tool International®Heavy-Duty Circuit TesterHeavy-Duty Circuit Tester by K-Tool International®. 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...Designed to help to get your job done rightManufactured utilizing the highest quality materials$6.72 - $16.48
- Performance Tool®3 to 48 V DC LED Digital Circuit Tester (W2990)3 to 48 V DC LED Digital Circuit Tester by Performance Tool®. The professional technicians can detect voltage, power, ground and circuit integrity with increased accuracy and ease. LED indicates red for "power" or green for "ground"...Ideally used to detect power, voltage, ground, and circuit integrityLarge LCD display provides a 'no guess' voltage value of the circuit tested$31.38
- S&G Tool Aid®Circuit Master (21700)Circuit Master by S&G Tool Aid®. 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...Designed to help to get your job done rightManufactured utilizing the highest quality materials$19.50
- S&G Tool Aid®Replacement High and Low-Voltage Tester Bulb (22400)Replacement High and Low-Voltage Tester Bulb by S&G Tool Aid®. 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...Designed to help to get your job done rightManufactured utilizing the highest quality materials$9.74
- S&G Tool Aid®Self Powered Electrical Continuity Tester (22700)Self Powered Electrical Continuity Tester by S&G Tool Aid®. 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...Use to Test for continuity with power disconnectedExcellent for use on marines, recreational and general automotive vehicles$12.43
- 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$23.53
- 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$18.57
- 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$20.46
- 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$213.31
- Actron®Mini Circuit Tester (CP7841)Mini Circuit Tester by Actron®. This compact, ergonomically designed coil cord circuit tester helps to quickly locate hot circuits. The cord is constructed from high quality, high visibility polyurethane for superior memory retention...Profesional level unit made to lastCompact design for use in tight areas$21.70
- CTA®High and Low-Voltage Circuit Tester (3022)High and Low-Voltage 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 high voltage in spark plugs, plug wires and distributor capsTest 6 and 12 volt systems for shorts$7.79
- 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
- Cal-Van Tools®Heavy-Duty Circuit Tester (70)Heavy-Duty Circuit Tester by Cal-Van Tools®. Designed to meet the needs of profesional technicians, this high-quality product by Cal-Van Tools will make your tough jobs easier and more comfortable. It is made from highly durable...Designed to help to get your job done rightManufactured utilizing the highest quality materials$16.16
- Dorman®2 V to 56 V Electrical Circuit Testing Tool Set (86593)2 V to 56 V Electrical Circuit Testing Tool Set by Dorman®. 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...Pack includes three testersConstructed of quality plastic, copper and steel$11.88
- Equus®Light/Circuit Tester (3410)Light/Circuit Tester by Equus®. 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...Helps to quickly identify if there is voltage present on wiring and circuitsErgonomic grip design with 6-foot Test leads$12.25
- Equus®Smart Test Light (3420)Smart Test Light by Equus®. 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 an...Designed to safely check voltage and/or ground on several electronic systems, including wiring, fuses, battery, cabling, sensors, switches, and moreFeatures ergonomic grip design for comfort and safety$19.55
- Fluke Electronics®40 V to 700 V Phase Rotation Indicator (9040)40 V to 700 V Phase Rotation Indicator by Fluke Electronics®. Phase rotation indicator with high voltage capability for industrial applications. The Fluke 9040 is effective for measuring phase rotation in all areas where three phase...3 phase indicationIndication of phase rotation$484.72
- Gardner Bender®Circuit Breaker Finder (CS550A)Circuit Breaker Finder by Gardner Bender®. 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...Circuit breaker finderLocates AC breakers or fuses$29.54
- Gardner Bender®Heavy-Duty Continuity Tester (GCT-3304)Heavy-Duty Continuity Tester by Gardner Bender®. Safety is the number one priority on any job site. Gardner Bender's testing equipment can be put to good use ensuring that electrical equipment is properly installed and safe to operate....36 in insulated test lead with an alligator clip on the endBright indicator bulb lights if continuity exists$13.76
- Gardner Bender®Low-Voltage Twin Probe Circuit Tester (GET-3202)Low-Voltage Twin Probe Circuit Tester by Gardner Bender®. This low voltage tester tests for AC/DC Voltage from 5 - 50 V AC/DC, 50-60 Hz. The indicator glows when voltage is present and brightens as voltage increases. Applications...Simple design for indicating voltages 5-50 V AC/DCEquipped with insulated alligator clips$12.06
- Gardner Bender®Screwdriver-Voltage-Continuity Tester (GCV-3206)Screwdriver-Voltage-Continuity Tester by Gardner Bender®. Gardner Bender GCV-3206 Combination Voltage Probe and Continuity Tester with Screwdriver Tip, 12 - 250V AC/DC, 1/Each. Voltage-Continuity Screwdriver. Testing for voltage to any...Tests from 12-250 V AC/DC voltage on energized circuitsCULUS and ETL Listed$16.76
- Gardner Bender®Sperry™ Instruments Continuity Tester (CT6101)Sperry™ Instruments Continuity Tester by Gardner Bender®. Sperry™ Instruments Continuity Tester. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Continuity testerTests for all continuity in non energized circuits$14.07
- Gardner Bender®Twin Probe Circuit Tester (GET-3100)Twin Probe Circuit Tester by Gardner Bender®. Twin Probe Circuit Tester tests AC/DC Voltage from 80-250 V AC/DC. The neon indicator glows when voltage is present and brightens as voltage increases. Offers insulated housing and test...Bright 360 deg visual indicator brightens as voltage increasesPocket clip for added convenience$11.02
- Husky Towing®7 RV Blade to 4 Wire Flat Trailer Wiring Circuit Tester (15174)7 RV Blade to 4 Wire Flat Trailer Wiring Circuit Tester by Husky Towing®. 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...Incorporates Built-In Trouble-ShootingLimited 1 Year Warranty$18.79
- IDEAL Electrical®80 V to 300 V Automatic Circuit Tester with Digital Receiver and GFCI Receptacle (61-534)80 V to 300 V Automatic Circuit Tester with Digital Receiver and GFCI Receptacle by IDEAL Electrical®. Branch Circuit Analysis and Testing. Proper wiring is crucial to ensure safety and performance of Branch circuits. From a safety...Digital Receiver & GFCI Circuit TesterFully automatic operation$127.43
- Klein Tools®80 V to 600 V AC/DC Circuit Tester (69105)80 V to 600 V AC/DC Circuit Tester by Klein Tools®. 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...Tests circuits rated AC/DCHigh-visibility neon lamp indicator$41.56
If you are a professional electrician, your job demands from you to check a considerable variety of electrical circuitry. Circuit testers are specifically created with the aforementioned purpose in mind. If you don’t own any of these instruments yet, then the market is here to help. Some of these useful tools are created to perform only a single function, however, the majority of them are multifunctional devices specifically designed to perform different kinds of electrical testing. The instruments are utilized to check DC and AC voltage, amperage, short and open circuits, continuity, polarity, and so on.
Such tools work with a wide range of voltages, beginning with 0 and ending with 300 Volts. Also, they can measure resistance. Such articles come with easy-to-read digital screens which display all the information in a clear and concise manner. Our testers are offered in water- and dust-proof cases, with batteries that can last for hundreds of hours on end. Their operating temperature ranges from 14°F to +120°F approximately. Having compact dimensions and light weight, our tools are easy to transport and use. Circuit testers that we carry will come in real handy regardless of whether you are a physics student or an auto mechanic, hence you can shop with confidence!
