Testers & Indicators

Two-in-one tool: Non-Contact Voltage Detector and GFCI Outlet Tester Features a clear and easy-to-understand single LED readout indicating correct wiring or bad ground Advanced ground testing circuitry precisely detects the required low resistance values...

Visual (flashing) and audible (beeping) indicators signal presence of voltage Built-in safe test feature assures batteries are operating properly Compact design fits in shirt pocket

Tests for seven conditions: ground fault interruption, open ground, open neutral, open hot, hot/ground reverse, hot/neutral reverse and correct wiring

Able to trace concealed wires (behind walls, in floors, in non-metallic conduit) without power interruption on circuits Locate breakers for any circuit - live or open

Measures voltage, current, resistance and frequency Tests continuity and diodes Backlit LCD with 6,000 count display Two voltage detection modes - non-contact or using a single test lead BeepJack warns when test leads are incorrectly inserted in current...

True RMS for no-compromise accuracy Measures voltage, current,resistance, capacitance and frequency Tests continuity and diodes Backlit LCD with dual 10,000 count display BeepJack warns when test leads are incorrectly inserted in current measurement...

Use to detect voltage in outlets, lighting fixtures, circuit breakers, wires, and cables or to find a break in a wire Patented automatic self-test verifies the integrity of the unit Bright LEDs flash and audible alarm sounds if voltage is present...

Designed for 3 wire NEMA 120 volt receptacles Trouble shoot 120 V AC grounded outlets Light sequence indicates correct/incorrect wiring

Designed for 3 wire NEMA 120 volt receptacles Trouble shoot 120 V AC grounded outlets Light sequence indicates correct/incorrect wiring

Traces circuits in both metallic and nonmetallic cable Finds shorts to ground Supports transmitter-to-receiver distances up to 4 miles (6.5 km)

AC/DC voltage and polarity measurement LCD and dual color LED

Warns against faulty wiring in 3-wire receptacles

CL380 is an automatically ranging true root mean squared (TRMS) digital clamp meter that measures AC/DC current via the clamp, AC/DC voltage, DC microamps, resistance, continuity, frequency, capacitance, and diodes via test leads, and temperature via a...

ET45 is an Electronic Voltage Tester Designed as a simple, easy to use tester to check, verify or troubleshoot common residential electrical wiring in electrical outlets, light fixtures, doorbells and more This tester does not require batteries, and...

RT310 is an electrical tester that tests the wiring condition at an electrical outlet, and inspects and checks AFCI and GFCI devices It is designed for use with North American 120V electrical outlets It can detect and identify common wiring faults...

Pocket size Neon lamp indicator High-impact sealed 5-11/16" prods on a 24" long lead

DO NOT USE ON LIVE ELECTRICAL CIRCUITS

The ET310 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 to the electrical outlet or fixture in the circuit while the receiver...

Bright green arrow and loud beeping tone provide clear indication of correct breaker Does not require interruption of service Power can be left on Quickly, accurately, and automatically find the correct circuit breaker of any standard 120V outlet Strong...

Klein Tools: Dual Range Non-Contact Voltage Testers, 1,000 VAC Description:Automatically detects and indicates low voltage (12-48V AC) and standard voltage (48-1000V AC) allowing broad application High intensity, bright green LED indicates the...

Neon lamp glows indicating live circuit The 5" (127 mm) test leads have probes on the ends Handy pocket clip

Tests for shorts Bulb in handle glows when circuit is complete 3-3/4" pointed probe 4" long handle, 36" test lead with full-insulated alligator clip

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 Auto power-off conserves...

The NCVT-6 is a non-contact voltage tester (NCVT) with an integrated laser distance meter It can detect voltage over the full-range from 12 to 1000 VAC and can measure distances from 2-Inch (51 mm) up to 66-Feet (20 m) The laser distance meter functions...

Non-contact detection of voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets, and wires

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

Test and measure cable with the latest technology Time Domain Reflectometry Spread Spectrum (TDR-SS) Technology provides accuracy up to +/- 1% and +/-3 ft. by eliminating interference when measuring cable Determine if cable run is broken or damaged...

The ET910 is a USB digital meter and tester combination for most common USB-A ports, including Qualcomm Quick Charge ports It accurately and reliably measures and displays the USB port voltage, current, capacity, energy, and resistance simultaneously It...

Features diamond stylus and piezoelectric pickup Performs a wide variety of parameters, from common Ra to more complex Rz1Max and Rsk parameters Easy operation with accurate results

Adjustable sensitivity senses voltage from 12-1000 VAC Audible and 360 visual indication Patented battery test feature Pocket clip

Color coded insulators over alligator clips Shock resistant plastic housing No exposed metal parts LED indication Visual rotation

Multi-purpose wire tracer for identifying low voltage wires such as coax, CAT 5, speaker, phone, or any non-energized (non-live) wires Adjustable sensitivity pinpoints single wire Audible and visual indication

Backlit LCD screen clearly displays all of the sensor's readings, even in low light conditions Wood and metal stud detection through up to 1 1/2 in. deep surface material AC detection identifies live wires up to 2 in. deep OnePass Center-Find technology...