Electrical Testing

Electrical Power Testing

Featured Brands

  • Lisle® - 6 to 24 V Heavy-Duty Circuit Tester
    Lisle® - 6 to 24 V Heavy-Duty Circuit Tester (27430)
    0
    # mpn4971585440
    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
    $12.11
    In Stock - Ships within 24 hrs
  • Lisle® - CAT III Digital Multimeter
    Lisle® - CAT III Digital Multimeter (82600)
    0
    # mpn4701936933
    CAT III Digital Multimeter by Lisle®. Safely and Accurately Test Electrical Systems. Large, Easy to Read LCD Display with Backlight. Measures AC/DC voltage/current up to 600V and 10A, capacitance, diode, duty cycle, frequency,...
    Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality
    $31.69
    In Stock - Ships in 24 to 48 hrs
  • ATD® - 10-Function Auto Ranging Digital Multimeter
    ATD® - 10-Function Auto Ranging Digital Multimeter (5519)
    0
    # mpn433406539
    10-Function Auto Ranging Digital Multimeter by ATD®. This high precision auto-ranging DMM can help you troubleshoot all types of electrical problems. Just set to the desired test function and the unit automatically selects the proper...
    Auto power off, data holdDual fuse protection
    $55.98
    In Stock - Ships within 24 hrs
  • ATD® - 12 to 42 V Hybrid Circuit Tester
    ATD® - 12 to 42 V Hybrid Circuit Tester (55042)
    0
    # mpn4971585450
    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
    $19.95
    In Stock - Ships within 24 hrs
  • ATD® - 7-Function Digital Multimeter
    ATD® - 7-Function Digital Multimeter (5536)
    0
    # mpn433406542
    7-Function Digital Multimeter (5536) by ATD®. This digital multimeter has the compact design and functions you need for overall convenience. Its capabilities are equal to many higher priced multimeters. Get your job done right every...
    Continuity beeperFully fuse protected
    $33.94
    In Stock - Ships within 24 hrs
  • ATD® - 9-Function Digital Multimeter with Automotive Engine Analyzer
    ATD® - 9-Function Digital Multimeter with Automotive Engine Analyzer (5540)
    0
    # mpn433406544
    9-Function Digital Multimeter with Automotive Engine Analyzer (5540) by ATD®. This unit has many of the necesary features required for today's automotive diagnostics. Use frequency readings to test crankshaft and camshaft sensors. It...
    Easy rpm readingsInductive rpm pick-up included
    $83.39
    In Stock - Ships within 24 hrs
  • ATD® - Deluxe™ 14-Function Digital Multimeter with Automotive Engine Analyzer and Temperature Functions
    ATD® - Deluxe™ 14-Function Digital Multimeter with Automotive Engine Analyzer and Temperature Functions (5570K)
    0
    # mpn1578183001
    Deluxe™ 14-Function Digital Multimeter with Automotive Engine Analyzer and Temperature Functions by ATD®. Profesional grade tool used for diagnosing electrical, computer and engine problems on any vehicle. Get your job done right...
    Displays rpm for DIS and standard ignitionsDual display with analog bar graph and digital readings
    $132.28
    In Stock - Ships within 24 hrs
  • ATD® - Heavy-Duty Circuit Tester with 10' Coil Cord
    ATD® - Heavy-Duty Circuit Tester with 10' Coil Cord (5624)
    0
    # mpn433406573
    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
    $12.96
    In Stock - Ships within 24 hrs
  • ATD® - Heavy-Duty Circuit Tester with 5' Stright Cord
    ATD® - Heavy-Duty Circuit Tester with 5' Stright Cord (5513)
    0
    # mpn433406537
    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
    $13.22
    In Stock - Ships within 24 hrs
  • ATD® - Mini 6-Function Digital Multimeter
    ATD® - Mini 6-Function Digital Multimeter (5544)
    0
    # mpn433406545
    Mini 6-Function Digital Multimeter by ATD®. Economical digital multimeter that can't be beat. It has the capabilities of full range units but is small enough to fit in your pocket. Get your job done right every time with top-of-the-line...
    Protective holsterDigital LCD display
    $23.81
    In Stock - Ships within 24 hrs
  • ATD® - Primary Circuit Tester
    ATD® - Primary Circuit Tester (5500)
    0
    # mpn433406532
    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
    $5.91
    In Stock - Ships within 24 hrs
  • ATD® - Profesional Cordles Circuit Tester
    ATD® - Profesional Cordles Circuit Tester (5503)
    0
    # mpn433406534
    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
    $14.28
    In Stock - Ships within 24 hrs
  • ATD® - Relay Circuit Tester Kit
    ATD® - Relay Circuit Tester Kit (5614)
    0
    # mpn1578183041
    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
    $200.14
    In Stock - Ships within 24 hrs
  • Ancor® - 12-Function True-RMS Digital Multimeter
    Ancor® - 12-Function True-RMS Digital Multimeter (703073)
    0
    # mpn4841267879
    12-Function True-RMS Digital Multimeter by Ancor®. 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
    $81.76
    In Stock - Ships within 24 hrs
  • Ancor® - 8-Function Digital Multimeter
    Ancor® - 8-Function Digital Multimeter (703072)
    0
    # mpn4841267980
    8-Function Digital Multimeter by Ancor®. 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
    $54.06
    In Stock - Ships in 24 to 48 hrs
  • Ancor® - Ancor Snap-Around 12-Function True-RMS Digital Multimeter
    Ancor® - Ancor Snap-Around 12-Function True-RMS Digital Multimeter (703079)
    0
    # mpn4841267989
    Ancor Snap-Around 12-Function True-RMS Digital Multimeter by Ancor®. 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...
    Intended to help you do the maintenance job with ease and comfortCrafted using leading-edge technology for maximum functionality
    $171.18
    In Stock - Ships within 24 hrs
  • Astro Pneumatic Tool® - 3 to 48 V DC Digital LCD Wide Range Circuit Tester
    Astro Pneumatic Tool® - 3 to 48 V DC Digital LCD Wide Range Circuit Tester (7764)
    0
    # mpn4971585442
    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
    $25.06
    In Stock - Ships in 24 to 48 hrs
  • Astro Pneumatic Tool® - Cordless Circuit Tester
    Astro Pneumatic Tool® - Cordless Circuit Tester (7760)
    0
    # mpn1631551
    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
    $11.67
    In Stock - Ships in 24 to 48 hrs
  • Audiopipe® - Pipeman's Heavy-Duty Circuit Tester
    Audiopipe® - Pipeman's Heavy-Duty Circuit Tester (ICT112)
    0
    # mpn4841267955
    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
    In Stock - Ships in 24 to 48 hrs
  • Auto Meter® - 200 A Automotive Low Resolution Digital Clamp Meter with Multimeter
    Auto Meter® - 200 A Automotive Low Resolution Digital Clamp Meter with Multimeter (DM-40)
    0
    # mpn1578812525
    200 A Automotive Low Resolution Digital Clamp Meter with Multimeter by Auto Meter®. This compact inductive clamp multimeters are designed to easily enclose small wires and yet are large enough to measure most large wires. You can easily...
    Accurate AC/DC digital clamp meter for current measurementHigh resolution readout (10mA to 40A DC/AC range)
    $347.03
    In Stock - Ships within 24 hrs
  • CTA® - Low-Voltage Standard Circuit Tester
    CTA® - Low-Voltage Standard Circuit Tester (3024)
    0
    # mpn1452813738
    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
    In Stock - Ships in 24 to 48 hrs
  • Cal-Van Tools® - Amp Hound 2
    Cal-Van Tools® - Amp Hound 2 (72)
    0
    # mpn4479512823
    Amp Hound 2 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 materials to ensure...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $137.47
    In Stock - Ships in 24 to 48 hrs
  • Cal-Van Tools® - Heavy-Duty Circuit Tester
    Cal-Van Tools® - Heavy-Duty Circuit Tester (70)
    0
    # mpn4479513387
    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
    $13.55
    In Stock - Ships in 24 to 48 hrs
  • Cal-Van Tools® - Hound Voltage Drain Tester
    Cal-Van Tools® - Hound Voltage Drain Tester (74)
    6
    # mpn1743093
    Hound Voltage Drain Tester by Cal-Van Tools®. An All New Way to Measure Amps. No need to remove a fuse which reduces the amount of time to determine the current in the circuit. Finding parasitic drains can now be done without removing a...
    Designed to help to get your job done rightManufactured utilizing the highest quality materials
    $94.68
    In Stock - Ships in 24 to 48 hrs
  • Camco® - 20 V AC Line Voltmeter
    Camco® - 20 V AC Line Voltmeter (55263)
    0
    # mpn2552710
    20 V AC Line Voltmeter by Camco®. 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...
    Developed to comply with rigorous quality standardsCutting-edge innovations, reliable design, solid value
    $21.53
    In Stock - Ships within 24 hrs
  • Camco® - Power Defender Voltage Analyzer
    Camco® - Power Defender Voltage Analyzer (55310)
    0
    # mpn2552599
    Power Defender Voltage Analyzer by Camco®. Help protect your RV from improperly wired electrical boxes. Diagnostic lights indicate faults before you connect your electrical cord. Also includes integrated surge protection.
    Integrated surge protectionDiagnostic lights for visual indication of faults
    $79.02
    In Stock - Ships within 24 hrs
  • Camco® - Water Heater Continuity Tester
    Camco® - Water Heater Continuity Tester (10023)
    0
    # mpn2552573
    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
    $14.55
    In Stock - Ships within 24 hrs
  • Dorman® - DC High-Low Voltage Voltage Tester
    Dorman® - DC High-Low Voltage Voltage Tester (85599)
    0
    # mpn2455576
    DC High-Low Voltage Voltage Tester by Dorman®. Dorman offers a comprehensive line of Electrical Multi-Testers for almost any automotive repair. All our Electrical Multi-Testers are constructed of high-quality materials for long-lasting...
    Available in many different styles, including continuity and circuit testersTesters light up and/or buzz to indicate testing result
    $5.01
    In Stock - Ships within 24 hrs
  • Dorman® - Digital Multimeter
    Dorman® - Digital Multimeter (85357)
    1
    # mpn2455568
    Digital Multimeter by Dorman®. Dorman offers a comprehensive line of Electrical Multi-Testers for almost any automotive repair. All our Electrical Multi-Testers are constructed of high-quality materials for long-lasting durability. Get...
    Testers light up and/or buzz to indicate testing resultDurably designed for a long service life
    $16.91
    In Stock - Ships within 24 hrs
  • Electronic Specialties® - 10-Function Auto Ranging Digital Multimeter
    Electronic Specialties® - 10-Function Auto Ranging Digital Multimeter (480A)
    0
    # mpn1862139
    10-Function Auto Ranging Digital Multimeter by Electronic Specialties®. The 480A is a high precision Auto-ranging DMM that can help you troubleshoot all types of electrical problems. Just set to the desired test function and the unit...
    Auto Power-Off, Data HoldDual Fuse Protection
    $41.55
    In 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.