What's MAP?
Where you see MAP, the manufacturer has instituted Minimum Advertised Price, meaning that is the lowest price we are allowed to advertise that item online. For questions about price, please "contact us".

Electrical Meters & Testers

    • SALE
      ROK Auto Range Digital Multimeter

      ROK

      sku: 31315

      ROK Auto Range Digital Multimeter

      MSRP: $39.99
      Was: $39.99
      $34.97
    • SALE
      ROK Digital Clamp Meter

      ROK

      sku: 31320

      ROK Digital Clamp Meter

      MSRP: $22.99
      Was: $22.99
      $19.98
    • ROK Professional Digital Clamp Meter

      ROK

      sku: 31325

      ROK Professional Digital Clamp Meter

      $24.99
    • SALE
      ROK 31305 Electrical Outlet Socket Tester

      ROK

      sku: 31305

      ROK Socket Tester

      MSRP: $9.99
      Was: $9.99
      $7.98
    • SALE
      ROK Non-Contact Voltage Detector ROK Non-Contact Voltage Detector

      ROK

      sku: 31310

      ROK Non-Contact Voltage Detector

      MSRP: $12.99
      Was: $12.99
      $9.98
    • SALE
      Milwaukee 2200-20 50-1000 AC Voltage Detector Milwaukee 2200-20 50-1000 AC Voltage Detector

      Milwaukee

      sku: MF2200-20

      Milwaukee 50-1000 AC Voltage Detector

      MSRP: $22.99
      Was: $22.99
      $19.98
    • Klein Tools CL710 600 Amp AC/DC Auto-Ranging Digital Pro Clamp Meter Klein Tools CL710 600 Amp AC/DC Auto-Ranging Digital Pro Clamp Meter showing in use  measuring electrical elements with clamp

      Klein Tools

      sku: KTCL710

      Klein Tools 600 Amp AC/DC Auto-Ranging Digital Pro Clamp Meter

      $159.99
    • Klein Tools RT310 AFCI/GFCI Outlet Tester Klein Tools RT310 AFCI/GFCI Outlet Tester showing from a different angle

      Klein Tools

      sku: KTRT310

      Klein Tools AFCI/GFCI Outlet Tester

      $74.99
    • Klein Tools RT250 GFCI Receptacle Tester with LCD Klein Tools RT250 GFCI Receptacle Tester with LCD showing from a different angle

      Klein Tools

      sku: KTRT250

      Klein Tools GFCI Receptacle Tester with LCD

      $37.99
    • Klein Tools RT210 GFCI Receptacle Tester Klein Tools RT210 GFCI Receptacle Tester showing from a different angle

      Klein Tools

      sku: KTRT210

      Klein Tools GFCI Receptacle Tester

      $19.99
    • Klein Tools NCVT3P 12V to 1000V AC Dual Range Non-Contact Voltage Tester with Flashlight Klein Tools NCVT3P 12V to 1000V AC Dual Range Non-Contact Voltage Tester with Flashlight showing from a different angle

      Klein Tools

      sku: KTNCVT3P

      Klein Tools 12V to 1000V AC Dual Range Non-Contact Voltage Tester with Flashlight

      $42.99
    • Klein Tools NCVT2PKIT Dual Range NCVT with Receptacle Tester Electrical Test Kit Klein Tools NCVT2PKIT Dual Range NCVT with Receptacle Tester Electrical Test Kit showing from a different angle

      Klein Tools

      sku: KTNCVT2PKIT

      Klein Tools Dual Range NCVT with Receptacle Tester Electrical Test Kit

      $42.99
    • Klein Tools NCVT1XT 70V to 1000V AC Non-Contact Voltage Tester Klein Tools NCVT1XT 70V to 1000V AC Non-Contact Voltage Tester showing from a different angle

      Klein Tools

      sku: KTNCVT1XT

      Klein Tools 70V to 1000V AC Non-Contact Voltage Tester

      $29.99
    • Klein Tools MM720 1000V TRMS Auto-Ranging Digital Multimeter Klein Tools MM720 1000V TRMS Auto-Ranging Digital Multimeter showing with kickstand

      Klein Tools

      sku: KTMM720

      Klein Tools 1000V TRMS Auto-Ranging Digital Multimeter

      $139.99
    • Klein Tools MM450 600V TRMS Auto-Ranging Slim Digital Multimeter showing inside of the kit box Klein Tools MM450 600V TRMS Auto-Ranging Slim Digital Multimeter showing reading capability

      Klein Tools

      sku: KTMM450

      Klein Tools 600V TRMS Auto-Ranging Slim Digital Multimeter

      $109.99
    • Klein Tools ET600 Digital Insulation Resistance Tester Multimeter Klein Tools ET600 Digital Insulation Resistance Tester Multimeter showing with kickstand open

      Klein Tools

      sku: KTET600

      Klein Tools Digital Insulation Resistance Tester Multimeter

      $249.99
    • Klein Tools ET250 AC/DC Voltage/Continuity Tester Klein Tools ET250 AC/DC Voltage/Continuity Tester showing from a different angle

      Klein Tools

      sku: KTET250

      Klein Tools AC/DC Voltage/Continuity Tester

      $62.99
    • Klein Tools ET130 Digital Light Meter Klein Tools ET130 Digital Light Meter showing from a different angle

      Klein Tools

      sku: KTET130

      Klein Tools Digital Light Meter

      $99.99
    • Klein Tools CL700 600 Amp Digital Clamp Meter with Loz Mode Klein Tools CL700 600 Amp Digital Clamp Meter with Loz Mode showing features of the tester

      Klein Tools

      sku: KTCL700

      Klein Tools 600 Amp Digital Clamp Meter with Loz Mode

      $159.99
    • Klein Tools CL320 400 Amp HVAC Digital Clamp Meter Klein Tools CL320 400 Amp HVAC Digital Clamp Meter showing from a different angle

      Klein Tools

      sku: KTCL320

      Klein Tools 400 Amp HVAC Digital Clamp Meter

      $119.99
    • Klein Tools 69411 Circuit Breaker Finder Accessory Kit Klein Tools 69411 Circuit Breaker Finder Accessory Kit  showing features of the accessory kit

      Klein Tools

      sku: KT69411

      Klein Tools Circuit Breaker Finder Accessory Kit

      $32.99
    • Klein Tools 501-915 TDR Cable Length Meter Klein Tools 501-915 TDR Cable Length Meter

      Klein Tools

      sku: KT501-915

      Klein Tools TDR Cable Length Meter

      $289.99
    • Klein Tools MM420 600V TRMS Auto-Ranging Digital Multimeter

      Klein Tools

      sku: KTMM420

      Klein Tools MM420 600V TRMS Auto-Ranging Digital Multimeter

      $84.99
    • Klein TRT110 Tools RT110 Receptacle Tester Klein TRT110 Tools RT110 Receptacle Tester

      Klein Tools

      sku: KTRT110

      Klein Tools RT110 Receptacle Tester

      $14.99
    • Klein Tools ET310 Digital Circuit Breaker Finder with GFCI Outlet Tester Klein Tools ET310 Digital Circuit Breaker Finder with GFCI Outlet Tester

      Klein Tools

      sku: KTET310

      Klein Tools ET310 Digital Circuit Breaker Finder with GFCI Outlet Tester

      $74.99
    • Klein Tools ET140 Pinless Moisture Meter Klein Tools ET140 Pinless Moisture Meter

      Klein Tools

      sku: KTET140

      Klein Tools ET140 Pinless Moisture Meter

      $64.99
    • Klein Tools CL800 600 Amp Digital Clamp Meter - AC/DC Auto-Range True RMS Klein Tools CL800 600 Amp Digital Clamp Meter - AC/DC Auto-Range True RMS

      Klein Tools

      sku: KTCL800

      Klein Tools CL800 600 Amp Digital Clamp Meter - AC/DC Auto-Range True RMS

      $209.99
    • Klein Tools NCVT2P 12 - 1000V AC Dual Range Non-Contact Voltage Tester

      Klein Tools

      sku: KTNCVT2P

      Klein Tools 12 - 1000V AC Dual Range Non-Contact Voltage Tester

      $36.99
    • Klein Tools NCVT1P 50 - 1000V AC Non-Contact Voltage Tester Pen

      Klein Tools

      sku: KTNCVT1P

      Klein Tools 50 - 1000V AC Non-Contact Voltage Tester Pen

      $29.99
    • Klein Tools 69410 Replacement Test Lead Set for Meters with Right Angle Inputs

      Klein Tools

      sku: KT69410

      Klein Tools Replacement Test Lead Set for Meters with Right Angle Inputs

      $29.99
    • Klein Tools CL220 400 Amp Digital Clamp Meter - AC Auto-Ranging with Temp Klein Tools CL220 400 Amp Digital Clamp Meter - AC Auto-Ranging with Temp

      Klein Tools

      sku: KTCL220

      Klein Tools CL220 400 Amp Digital Clamp Meter - AC Auto-Ranging with Temp

      $109.99
    • Klein Tools CL120 400 Amp Digital Clamp Meter - AC Auto-Ranging Klein Tools CL120 400 Amp Digital Clamp Meter - AC Auto-Ranging

      Klein Tools

      sku: KTCL120

      Klein Tools CL120 400 Amp Digital Clamp Meter - AC Auto-Ranging

      $94.99
  • SALE
    ROK Auto Range Digital Multimeter

    ROK Auto Range Digital Multimeter

    The ROK Auto Range Digital Multimeter is a precise, high-quality electrical testing tool with a large LCD screen and back light so you can easily read in any environment (indoor or outdoor). With auto-range functionality, this tool automatically adjusts...

    MSRP: $39.99
    Was: $39.99
    MAP: $34.97
    Add to Cart
  • SALE
    ROK Digital Clamp Meter

    ROK Digital Clamp Meter

    The ROK Digital Clamp Meter is a precise, quality electrical tool with a large LCD screen for easy readability. It features an overload protection function which automatically shuts down when the tested object exceeds the rated voltage output and a data...

    MSRP: $22.99
    Was: $22.99
    MAP: $19.98
    Add to Cart
  • ROK Professional Digital Clamp Meter

    ROK Professional Digital Clamp Meter

    The ROK Professional Digital Clamp Meter is a precise, high-quality electrical tool with a large LCD screen for easy readability. It features an overload protection function which automatically shuts down when the tested object exceeds the rated voltage...

    $24.99
    Add to Cart
  • SALE
    ROK 31305 Electrical Outlet Socket Tester

    ROK Socket Tester

    The ROK Socket Tester is designed for simple and easy testing of standard three-wire receptacles. It quickly pinpoints wiring faults in receptacles and will test GFCI receptacles for proper operation. It is compact, lightweight, versatile and durable...

    MSRP: $9.99
    Was: $9.99
    MAP: $7.98
    Add to Cart
  • SALE
    ROK Non-Contact Voltage Detector ROK Non-Contact Voltage Detector

    ROK Non-Contact Voltage Detector

    If you are looking for a safe way to test voltages in outlets, fixtures, circuit breakers and wires, this non-contact voltage detector is just the tool you need. Designed for safe detection of AC voltage up to 1000VAC (50/60Hz.), bright LED lights and an...

    MSRP: $12.99
    Was: $12.99
    MAP: $9.98
    Add to Cart
  • SALE
    Milwaukee 2200-20 50-1000 AC Voltage Detector Milwaukee 2200-20 50-1000 AC Voltage Detector

    Milwaukee 50-1000 AC Voltage Detector

    The Milwaukee Voltage Detector can be used for residential, commercial, and industrial applications. It features the highest safety rating in the industry (CAT IV 1000V) with a wide 50 to 1000 volt AC range. FEATURES: Wide 50 - 1000 AC voltage range...

    MSRP: $22.99
    Was: $22.99
    MAP: $19.98
    Add to Cart
  • Klein Tools CL710 600 Amp AC/DC Auto-Ranging Digital Pro Clamp Meter Klein Tools CL710 600 Amp AC/DC Auto-Ranging Digital Pro Clamp Meter showing in use  measuring electrical elements with clamp

    Klein Tools 600 Amp AC/DC Auto-Ranging Digital Pro Clamp Meter

    Maximize electrical diagnostic accuracy and efficiency with the Klein Tools 600 Amp Digital Clamp Meter. This rugged meter offers TRMS technology to deliver accurate measurements across AC/DC current, voltage, resistance, continuity, frequency, and...

    $159.99
    Add to Cart
  • Klein Tools RT310 AFCI/GFCI Outlet Tester Klein Tools RT310 AFCI/GFCI Outlet Tester showing from a different angle

    Klein Tools AFCI/GFCI Outlet Tester

    Take your electrical testing to the next level with the Klein Tools AFCI/GFCI Outlet Tester. Specifically engineered for North American 120V outlets, this versatile tool not only identifies common wiring issues but also rigorously tests both AFCI and...

    $74.99
    Add to Cart
  • Klein Tools RT250 GFCI Receptacle Tester with LCD Klein Tools RT250 GFCI Receptacle Tester with LCD showing from a different angle

    Klein Tools GFCI Receptacle Tester with LCD

    Ensure your outlets are safe and up to code with the Klein Tools GFCI Receptacle Tester with LCD. Specifically designed for North American 120V outlets, this tester not only identifies common wiring faults but also provides real-time voltage readout and...

    $37.99
    Add to Cart
  • Klein Tools RT210 GFCI Receptacle Tester Klein Tools RT210 GFCI Receptacle Tester showing from a different angle

    Klein Tools GFCI Receptacle Tester

    Ensure your outlets are safe and up to code with Klein Tools GFCI Receptacle Tester. Quickly identify common wiring issues in both standard and GFCI outlets, with immediate visual cues that make troubleshooting easy. Durable and robust, this tester is...

    $19.99
    Add to Cart
  • Klein Tools NCVT3P 12V to 1000V AC Dual Range Non-Contact Voltage Tester with Flashlight Klein Tools NCVT3P 12V to 1000V AC Dual Range Non-Contact Voltage Tester with Flashlight showing from a different angle

    Klein Tools 12V to 1000V AC Dual Range Non-Contact Voltage Tester with Flashlight

    Unlock versatile and reliable electrical testing with the Klein Tools NCVT-3P. This dual-range non-contact voltage tester with built-in flashlight detects 12 to 1000V AC across various applications, from doorbells to irrigation systems. Experience...

    $42.99
    Add to Cart
  • Klein Tools NCVT2PKIT Dual Range NCVT with Receptacle Tester Electrical Test Kit Klein Tools NCVT2PKIT Dual Range NCVT with Receptacle Tester Electrical Test Kit showing from a different angle

    Klein Tools Dual Range NCVT with Receptacle Tester Electrical Test Kit

    Maximize electrical safety and troubleshooting efficiency with the Klein Tools Dual Range NCVT Electrical Test Kit. This compact, pocket-sized kit combines a versatile voltage tester that identifies both low and standard voltage (12-1000V AC) with a...

    $42.99
    Add to Cart
  • Klein Tools NCVT1XT 70V to 1000V AC Non-Contact Voltage Tester Klein Tools NCVT1XT 70V to 1000V AC Non-Contact Voltage Tester showing from a different angle

    Klein Tools 70V to 1000V AC Non-Contact Voltage Tester

    Put the volts to the test with Klein Tools' 70 to 1000V AC Non-Contact Voltage Tester. Effortlessly detect live voltage in cables, switches, and more without direct contact. Built tough, it's dustproof, waterproof (IP67), and survives 9.8-foot drops. Its...

    $29.99
    Add to Cart
  • Klein Tools MM720 1000V TRMS Auto-Ranging Digital Multimeter Klein Tools MM720 1000V TRMS Auto-Ranging Digital Multimeter showing with kickstand

    Klein Tools 1000V TRMS Auto-Ranging Digital Multimeter

    Maximize accuracy and efficiency with Klein Tools' 1000V TRMS Auto-Ranging Slim Digital Multimeter. Measuring everything from high-voltage AC/DC to temperature and frequency, this compact tool is your go-to for any electrical task. Enhanced with Low...

    $139.99
    Add to Cart
  • Klein Tools MM450 600V TRMS Auto-Ranging Slim Digital Multimeter showing inside of the kit box Klein Tools MM450 600V TRMS Auto-Ranging Slim Digital Multimeter showing reading capability

    Klein Tools 600V TRMS Auto-Ranging Slim Digital Multimeter

    Maximize accuracy and efficiency with Klein Tools' 600V TRMS Auto-Ranging Slim Digital Multimeter. This pocket-sized powerhouse measures everything from voltage and current to temperature and frequency. Its high-visibility, auto-adjusting display ensures...

    $109.99
    Add to Cart
  • Klein Tools ET600 Digital Insulation Resistance Tester Multimeter Klein Tools ET600 Digital Insulation Resistance Tester Multimeter showing with kickstand open

    Klein Tools Digital Insulation Resistance Tester Multimeter

    Maximize accuracy and safety with the ET600 Digital Insulation Resistance Tester Multimeter by Klein Tools. Test up to 4000 milliohms insulation resistance across four voltage settings (125V-1000V) and measure AC/DC voltages up to 1000V using True RMS...

    $249.99
    Add to Cart
  • Klein Tools ET250 AC/DC Voltage/Continuity Tester Klein Tools ET250 AC/DC Voltage/Continuity Tester showing from a different angle

    Klein Tools AC/DC Voltage/Continuity Tester

    Optimize your electrical testing with Klein Tools' AC/DC Voltage/Continuity Tester. Auto-select functionality and a backlit LCD screen simplify tasks, while compatibility up to 600V AC/DC and GFCI circuit testing ensure comprehensive coverage. Work...

    $62.99
    Add to Cart
  • Klein Tools ET130 Digital Light Meter Klein Tools ET130 Digital Light Meter showing from a different angle

    Klein Tools Digital Light Meter

    Effortlessly monitor light levels with the Klein Tools Digital Light Meter. This user-friendly device measures illuminance in both Foot Candles and Lux, with an expansive range of up to 4000 FC and 40,000 Lux. A backlit LCD display and 40-segment bar...

    $99.99
    Add to Cart
  • Klein Tools CL700 600 Amp Digital Clamp Meter with Loz Mode Klein Tools CL700 600 Amp Digital Clamp Meter with Loz Mode showing features of the tester

    Klein Tools 600 Amp Digital Clamp Meter with Loz Mode

    Maximize accuracy and efficiency with the Klein Tools 600 Amp Digital Clamp Meter - your all-in-one solution for versatile measurements. This rugged meter offers TRMS technology and a suite of measurements, from AC current via the clamp to AC/DC voltage...

    $159.99
    Add to Cart
  • Klein Tools CL320 400 Amp HVAC Digital Clamp Meter Klein Tools CL320 400 Amp HVAC Digital Clamp Meter showing from a different angle

    Klein Tools 400 Amp HVAC Digital Clamp Meter

    Upgrade your HVAC toolbox with the Klein Tools 400 Amp Digital Clamp Meter - your all-in-one solution for accurate and versatile measurements. Effortlessly measure AC current, voltage, resistance, frequency, and even temperature with its integrated...

    $119.99
    Add to Cart
  • Klein Tools 69411 Circuit Breaker Finder Accessory Kit Klein Tools 69411 Circuit Breaker Finder Accessory Kit  showing features of the accessory kit

    Klein Tools Circuit Breaker Finder Accessory Kit

    Upgrade your circuit-finding capabilities with the Klein Tools Circuit Breaker Finder Accessory Kit. Designed for ET300 and ET310 models, this kit includes adapters for identifying the right breaker for bare wires and light fixtures. It features a light...

    $32.99
    Add to Cart
  • Klein Tools 501-915 TDR Cable Length Meter Klein Tools 501-915 TDR Cable Length Meter

    Klein Tools TDR Cable Length Meter

    Acquire the one-stop solution for precise, hassle-free cable measurement with the Klein Tools TDR Cable Length Meter. This pocket-sized powerhouse accurately measures cable length up to 3000 ft., detects faults, and calibrates VoP for various cable...

    $289.99
    Add to Cart
  • Klein Tools MM420 600V TRMS Auto-Ranging Digital Multimeter

    Klein Tools MM420 600V TRMS Auto-Ranging Digital Multimeter

    Tested tough and trusted safe, this Auto-Ranging True Root-Mean-Squared Digital Multimeter measures AC/DC voltage, AC/DC current, resistance, continuity, temperature, capacitance, frequency, and more. It features a large easy-to-read backlight display, a...

    $84.99
    Add to Cart
  • Klein TRT110 Tools RT110 Receptacle Tester Klein TRT110 Tools RT110 Receptacle Tester

    Klein Tools RT110 Receptacle Tester

    Klein Tools RT110 Receptacle Tester detects the most common wiring problems in standard receptacles. Conditions indicated: wiring correct, open ground, reverse electrical outlet, open hot, open neutral, hot/ground reversed. Conditions not indicated:...

    $14.99
    Add to Cart
  • Klein Tools ET310 Digital Circuit Breaker Finder with GFCI Outlet Tester Klein Tools ET310 Digital Circuit Breaker Finder with GFCI Outlet Tester

    Klein Tools ET310 Digital Circuit Breaker Finder with GFCI Outlet Tester

    The Klein Tools ET310 Circuit Breaker Finder with Integrated GFCI Outlet Tester is a digital circuit breaker finder used to locate the correct circuit breaker in a panel to which an electrical outlet or fixture is connected. The Transmitter is connected...

    $74.99
    Add to Cart
  • Klein Tools ET140 Pinless Moisture Meter Klein Tools ET140 Pinless Moisture Meter

    Klein Tools ET140 Pinless Moisture Meter

    Klein Tools ET140 Moisture Meter is designed to non-invasively detect hidden moisture content up to 3/4in (19 mm) depth. Easily select between materials with mode button to test surface of drywall, masonry, hardwood, and softwood. The ET140 has easy...

    $64.99
    Add to Cart
  • Klein Tools CL800 600 Amp Digital Clamp Meter - AC/DC Auto-Range True RMS Klein Tools CL800 600 Amp Digital Clamp Meter - AC/DC Auto-Range True RMS

    Klein Tools CL800 600 Amp Digital Clamp Meter - AC/DC Auto-Range True RMS

    Klein Tools CL800 Electrical Tester is an automatically ranging true root mean squared (TRMS) digital clamp meter that measures AC/DC voltage, resistance, continuity, frequency, capacitance, and tests diodes via test-leads, and temperature via a...

    $209.99
    Add to Cart
  • Klein Tools NCVT2P 12 - 1000V AC Dual Range Non-Contact Voltage Tester

    Klein Tools 12 - 1000V AC Dual Range Non-Contact Voltage Tester

    The NCVT-2P is a non-contact voltage tester that detects and indicates the presence of voltage in cables, cords, circuit breakers, light fixtures, switches, outlets and wires as well as AC voltage in doorbells, thermostats, low voltage lighting and...

    $36.99
    Add to Cart
  • Klein Tools NCVT1P 50 - 1000V AC Non-Contact Voltage Tester Pen

    Klein Tools 50 - 1000V AC Non-Contact Voltage Tester Pen

    The NCVT-1P is a non-contact voltage tester pen that detects and indicates the presence of voltage in cables, cords, circuit breakers, light fixtures, switches, non-tamper-resistant outlets, and wires. It includes both visual and audible signals for easy...

    $29.99
    Add to Cart
  • Klein Tools 69410 Replacement Test Lead Set for Meters with Right Angle Inputs

    Klein Tools Replacement Test Lead Set for Meters with Right Angle Inputs

    This replacement test lead kit provides you with the tools you need to perform your job. The lead set features a right-angle plug for easy access to recessed outlets, and these standard banana-type inputs are compatible with most multimeters and clamp...

    $29.99
    Add to Cart
  • Klein Tools CL220 400 Amp Digital Clamp Meter - AC Auto-Ranging with Temp Klein Tools CL220 400 Amp Digital Clamp Meter - AC Auto-Ranging with Temp

    Klein Tools CL220 400 Amp Digital Clamp Meter - AC Auto-Ranging with Temp

    The CL220 measures AC current and NCVT via clamp and AC/DC voltage, resistance, and continuity via test-leads, and temperature with thermocouple. The meter features automatically ranging True Root Mean Squared (TRMS) measurement technology for accuracy...

    $109.99
    Add to Cart
  • Klein Tools CL120 400 Amp Digital Clamp Meter - AC Auto-Ranging Klein Tools CL120 400 Amp Digital Clamp Meter - AC Auto-Ranging

    Klein Tools CL120 400 Amp Digital Clamp Meter - AC Auto-Ranging

    Klein Tools CL120 Clamp Meter is an automatically ranging digital clamp-meter that measures AC current and NCVT via the clamp, and AC/DC voltage, resistance and continuity via test-leads. Klein Tools' Test and Measurement product line was exclusively...

    $94.99
    Add to Cart