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Electrical Testers

These testers are designed for electricians, plant maintenance, HVAC, service technicians, hobbyists and homeowners. They are designed to test voltage, continuity, circuit breakers, outlets and even locate hidden wires. Find a wide selection of these meters to fit your application.


Extech ET25 Compact Size AC/DC Voltage Tester, 90-300V DC-

Sale Price $4.13 USD
Regular Price $4.59 USD
Availability 10+ in Stock

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Extech CB10 AC Circuit Breaker Finder/Receptacle Tester-

Sale Price $28.79 USD
Regular Price $39.99 USD
Availability 5 Days

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Extech CB10-KIT Electrical Troubleshooting Kit-

Sale Price $64.79 USD
Regular Price $89.99 USD
Availability 2 to 3 Weeks

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Extech CT20 Continuity Tester Pro-

Sale Price $23.75 USD
Regular Price $32.99 USD
Availability 1 to 2 Weeks

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Extech ET10 GFCI Receptacle Tester-

Sale Price $11.69 USD
Regular Price $12.99 USD
Availability 5 Days

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Extech PRC10-NIST Current Calibrator, 0 to 24mA,  -

Sale Price $472.49 USD
Regular Price $524.99 USD
Availability 2 to 3 Weeks

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Extech PRC15-NIST Current & Voltage Calibrator, 0 to 24mA,  -

Sale Price $517.49 USD
Regular Price $659.99 USD
Availability 2 to 3 Weeks

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Extech 40130 Non-contact AC Voltage Detector-

Sale Price $10.79 USD
Regular Price $11.99 USD
Availability 1 to 2 Weeks

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Extech CT70 AC Circuit Load Tester-

Sale Price $179.99 USD
Regular Price $199.99 USD
Availability 1 to 2 Weeks

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Extech DA30 Non-Contact AC Current Detector-

Sale Price $30.59 USD
Regular Price $33.99 USD
Availability 5 Days

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Extech DL160 True RMS Dual Input AC Voltage/Current Datalogger-

Sale Price $278.99 USD
Regular Price $309.99 USD
Availability 1 to 2 Weeks

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Extech DV20 AC Voltage Detector/Flashlight, 600V AC-

Sale Price $12.59 USD
Regular Price $13.99 USD
Availability 1 Week

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Extech DV23 Non-Contact Voltage Detector-

Sale Price $11.69 USD
Regular Price $12.99 USD
Availability 2 to 3 Weeks

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Extech DV25 Dual-Range AC Voltage Detector plus Flashlight-

Sale Price $14.39 USD
Regular Price $15.99 USD
Availability 1 Week

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Extech DV26 Non-Contact AC Voltage Detector with Flashlight, CAT IV-

Sale Price $17.99 USD
Regular Price $19.99 USD
Availability 2 to 3 Weeks

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Extech DV30 Adjustable Non-Contact AC Voltage Detector-

Sale Price $13.49 USD
Regular Price $14.99 USD
Availability 1 Week

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Extech DV40 AC Voltage Detector and IR Thermometer, 1000V AC-

Sale Price $40.49 USD
Regular Price $44.99 USD
Availability 1 to 2 Weeks

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Extech DVA30 Non-Contact AC Voltage and Current Detector-

Sale Price $41.39 USD
Regular Price $45.99 USD
Availability 5 Days

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Extech ET15 Receptacle Tester-

Sale Price $5.39 USD
Regular Price $5.99 USD
Availability 1 Week

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Extech ET20B Voltage Detector, 250V AC/DC-

Sale Price $6.29 USD
Regular Price $6.99 USD
Availability 2 to 3 Weeks

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