Electrical Testers

NCVT-5

Dual-Range Non-Contact Volt Tester w/Laser Point

Klein Tools - NCVT-5 - The Klein Tools NCVT-5 is a dual-range non-contact voltage tester (NCVT) with integrated laser pointer. The tester can be set to detect voltage from 70 to 1000V AC (Mode 1) or from 12 to 1000V AC (Mode 2). High pitched audible alerts beep at greater frequency as higher voltage is sensed, or proximity to the voltage source gets closer. The laser pointer can function independent of or simultaneously with the NCVT. CAT IV 1000V safety rating.

NCVT-4IR

Non-Contact Voltage Tester w/Infrared Thermometer

Klein Tools - NCVT-4IR - The NCVT-4IR provides non-contact determination of AC voltage in cables, cords, circuit breakers, switches, outlets and wires; as well as infrared (IR) thermometer measurements, making it the perfect choice for HVAC professionals.

ET250

AC/DC Voltage/Continuity Tester

Klein Tools - ET250 - Klein Tools ET250 is a solid-state, digital voltage and continuity tester. It measures AC/DC voltages up to 600V and tests for continuity. Additionally, the ET250 tests GFCI protected circuits to verify that the GFCI device is functioning appropriately. The tester includes a backlight and integrated flashlight for working in reduced ambient lighting conditions.

ET60

Electronic AC/DC Voltage Tester

Klein Tools - ET60 - ET60 is a solid-state, low impedance, electronic voltage tester. It measures AC/DC voltages up to 600V. The ET60 does NOT require batteries; it is powered by the applied voltage. It is excellent choice for testing voltage in electrical circuits, at outlets, in light fixtures or anywhere else where AC/DC voltage testing is required.

RT110

Receptacle Tester

Klein Tools - RT110 - Klein Tools RT110 Receptacle Tester detects the most common wiring problems in standard receptacles. Conditions indicated: wiring correct, open ground, reverse polarity, open hot, open neutral, hot/ground reversed. Conditions not indicated: quality of ground, multiple hot wires, combinations of defects, reversal of grounded and grounding conductors.

RT210

GFCI Receptacle Tester

Klein Tools - RT210 - Klein Tools Receptacle Testers are designed to detect the most common wiring problems in standard and GFCI receptacles. A convenient chart on the tester helps determine wiring condition in outlet, based on LED lights results. Conditions indicated: open ground, reverse polarity, open hot, open neutral, hot/ground reversed.

NCVT-3

Non-Contact Voltage Tester Flashlight

Klein Tools - NCVT-3 - The NCVT-3 is a non-contact voltage tester with an integrated flashlight. The voltage sensor detects 12-1,000V AC 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 irrigation systems. Includes both visual and audible signals. The NCVT-3 is rugged enough for any job site.

69105

Circuit Tester

Klein Tools - 69105 - Tests circuits rated from 80 to 600 volts AC/DC. The high-impact, sealed 5-11/16'' (144 mm) probes on long 24'' (610 mm) leads are convenient for testing motors, fuses, relays, switches, etc. A professional grade electrical tester with the quality you expect from Klein Tools.

69127

Low-Voltage Tester

Klein Tools - 69127 - This device checks live 6-24V, AC or DC circuits. Tests for shorts in automotive and truck electrical systems, motor field coils, radio and low-voltage circuits, ground circuit of all lamps, wiring, fuses, etc. Pointed 3-3/4'' (95 mm) probe makes checking easier.

69133

Continuity Tester

Klein Tools - 69133 - The Klein Tools Continuity Tester quickly reveals shorts or broken circuits in all types of electrical devices and controls. Tests for circuit continuity with power off. The pointed probes gets right to the problem. The handle lights up if the circuit is complete. Bulb for handle is included.

ET300

Digital Circuit Breaker Finder

Klein Tools - ET300 - Quickly, accurately, and automatically find the corresponding circuit breaker of any 120V standard outlet with this digital circuit breaker finder. The flashing arrow indicator lets you quickly identify when you've got a hit. The strong transmitter reaches up to 1000 feet. The auto power-off feature saves battery life and gives you one less thing to worry about.

NCVT-1

Non-Contact Voltage Tester

Klein Tools - NCVT-1 - Use this Non-Contact Voltage Tester to detect standard voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires. A bright green LED will tell you the tester is working and also functions as a worklight. It changes to red and warning tones sound when voltage is detected.

NCVT-2

Dual Range Non-Contact Voltage Tester

Klein Tools - NCVT-2 - This Dual-Range Non-Contact Voltage Tester automatically detects low voltage and standard voltage. A bright green LED will tell you the tester is working and also functions as a worklight. The light flashes red and two distinct warning tones sound when either low or standard voltage is detected.

69411

Circuit Breaker Finder Accessory Kit

Klein Tools - 69411 - The Klein Tools circuit breaker kit allows your circuit breaker finder to do more than just indicate standard circuits. Adapters in this kit indicate the correct breaker of bare wires or other exposed conductors. Adapters also indicate the correct breaker for light fixtures.

ET50

Electronic Voltage Tester

Klein Tools - ET50 - The Klein Tools Voltage Tester tests AC and DC voltages from 120 - 600 volts using light and vibration to indicate voltage. The solid state design is safer than solenoid testers. This tester was designed by electricians for electricians and features an LED display and an automatic shutoff to help preserve battery life. It tests for low impedance to limit false readings and comes with 3 AAA alkaline batteries.

69134

Low-Voltage Twin-Lead Tester

Klein Tools - 69134 - The Low-Voltage Twin-Lead tester tests 5-50 volt, AC or DC circuits and components.

69136

General Purpose Twin-Lead Tester

Klein Tools - 69136 - The General Purpose Twin-Lead tester tests voltage in 90-250 volt range for AC/DC. Know instantly if the circuit is live when the tester lights up. The handy pocket clip keeps the tester nearby.

ET200*

Electronic Voltage/Continuity Tester

Klein Tools - ET200 - Designed by electricians for electricians, the Klein Tools Electronic Voltage Tester measures AC and DC voltage at nine common levels up to 600V. This tester doesn't even need batteries to indicate these voltage readings. It also has low impedance input to reduce the possibility of ghost voltages.

RT100*

Receptacle Tester

Klein Tools - RT100 - Klein Tools Receptacle Tester detects the most common wiring problems in standard receptacles. Conditions indicated: wiring correct, open ground, reverse polarity, open hot, open neutral, hot/ground reversed. Conditions NOT indicated: quality of ground, multiple hot wires, combinations of defects, reversal of grounded and grounding conductors.