Best search results for "circuit tester"

List Price: $565.00

Price: $406.90

You Save: $158.10 (28%)

1. Displays cable length, wiremap, cable ID, and distance to fault on one screen;Magnetic Strap - Allows technicians to keep their hand's free and their tester safe from potential drops and accidents with strong rare earth magnet
2. Detects today's media services, including 10/100/1000 Ethernet, POTS, and PoE
3. Locates virtually any cable or wire pair with IntelliTone digital and analog toning
4. Tests all common media types, including RJ11, RJ45, Coax, with no adapters
5. Rubber over mold enhances grip and increases ruggedness. Cable Tests- Length (460 m or 1500 feet. with resolution to 0.3 m or 1 feet.), wiremap to TIA-568A/B standards, remote ID locators, displays results on one screen. Coax- F connector for 75 Ω, 50 Ω, 93 Ω cables.PoE Detection:Solicits and detects the presence of 802.3af compatible PoE (Power over Ethernet) devices
6. "Oversized" backlit LCD makes results crystal clear in any work environment

List Price: $929.00

Price: $809.55

You Save: $119.45 (13%)

1. Revolutionary Interface: Graphical wire map, length, cable ID, and distance to fault displayed on one screen
2. Multimedia Support: Tests all common media types including RJ11, RJ45, Coax, with no need for adapters
3. IntelliTone Toner and Probe: Locates virtually any cable or wire pair with IntelliTone digital and analog toning
4. VDV Service Detection: Verifies today's media services, including 10/100/1000 Ethernet, POTS, and PoE
5. Length 1500 feet with resolution to 1 feet, wire map to TIA-568A/B standards, remote ID locators, displays results on one screen

List Price: $1,450.00

Price: $1,224.04

You Save: $225.96 (16%)

1. Works on live networks to provide Ethernet switch detection and device configuration
2. Measure network capacity (10 Meg, 100 Meg, 1 Gig) to determine support for VoIP, data and video
3. Advanced troubleshooting diagnostics; insertion loss, cross talk, noise issues
4. Core troubleshooting features; length, distance to fault, graphical wire mapping, opens, shorts, power over Ethernet (POE) detection
5. Tests all copper cabling media: twisted-pair, coax, and audio
6. Locate and trace cables with digital toning technology. Requires IntelliTone 200 Digital Probe (included with CIQ-KIT)

List Price: $14.99

Price: $7.79

You Save: $7.20 (48%)

1. DURABLE: Hi-Impact Resistant ABS housing with soft over-molded rubber grips with a compact ergonomic design (GFI6302 and VD6504)
2. QUICKLY READ: Bright color-coded neon lights for easy visual indication (GFI6302)
3. TESTING CAPABILITY: Standard 3-Wire and GFCI protected 120Volt AC Outlets. Frequency (Hertz) 60Hz (GFI6302)
4. GFCI FUNCTION: Tests GFI Outlets and standard outlets that are wired in series with GFCI outlets (multiple outlets in kitchen or bath)
5. RATED: 10 ft Drop and 250 lb Crush, CAT Rating III 300V, C-UL US, CE-Marking and recognized by Occupational Safety Hazards Association (OSHA) as an National Recognized Testing Laboratory (NRTL). 10 ft Drop and 250 lb Crush
6. WARRANTY: Sperry Instruments Backed Limited Lifetime Warranty

List Price: $9.68

Price: $6.99

You Save: $2.69 (28%)

1. Tests voltage in the 90-250 volt range, AC or DC
2. 5-Inch (127mm) test leads have probes on the ends
3. Neon lamp glows to indicate a live circuit
4. Handy pocket clip makes it easy to access and carry
5. Overall Length: 7-7/8-Inch; Weight: 0.05-Pound

List Price: $19.99

Price: $19.99

You Save: $11.10 (56%)

1. Check out our VIDEO on the left side and take a quick tour of AstroAI Multimeter! ACCURATELY MEASURES: Voltage, DC current, resistance, diode, continuity and more
2. TROUBLESHOOTS: Automotive and household electrical problems safely and accurately
3. EASE OF USE: Data hold and large digital display with backlit LCD for visibility in dimly light areas
4. SAMPLING SPEED: 2 times per second. Overload protection on all ranges
5. Built-in kickstand for hand free use. Protective rubber corner guards for drop protection
6. 1 Year Warranty by AstroAI
7. Note: the meter can not be used to test AC current and can not be used to test AC voltage like the voltage of RECEPTACLE WHEN the dial is located in the DC current range

List Price: $30.72

Price: $29.99

You Save: $0.73 (2%)

1. Simply plug the GFCI Transmitter into an outlet and trace for the correct breaker at the electrical box
2. Transmitter and Receiver snap together for easy storage
3. UL Listed and CE approved
4. Tests GFCI circuits
5. LED indication of 2 test conditions and 5 wiring faults

Price: $17.45

1. Automatically detects and indicates low voltage (12-48V AC) and standard voltage (48-1000V AC) allowing broad application
2. Non-contact detection of standard voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires
3. Non-contact detection of low voltage in security, entertainment, communications, environmental control, and irrigation systems
4. High intensity, bright green LED indicates the tester is operational and aids in illuminating the workspace
5. Dual Range testing, select 12-1000V AC or 48-1000V AC
6. Auto power-off feature conserves and extends battery life
7. CAT IV 1000 Volt rating provides expanded operation and protection
8. Lightweight, durable polycarbonate plastic resin construction; convenient pocket clip
9. 9.8-foot / 3 m drop protection
10. Safety Rating: CAT IV 1000V

List Price: $9.98

Price: $9.98

1. Hi-Visibility 12 Ft. Heat and Oil Resistant Coiled Cord
2. Molded Strain Relief for Long Life
3. Insulated Stainless Steel Probe
4. Heavy Duty Ground Clamp
5. 6, 12 and 24 Volt Systems

List Price: $129.95

Price: $59.00

You Save: $70.95 (55%)

1. Supplies Power & Ground
2. Digital Voltmeter with Min/Max Voltage Capturing
3. 4mm banana jack
4. 20 Foot power lead
5. Tests for Bad Grounds and Continuity
6. 8 Amp Circuit Breaker Protection

List Price: $18.19

Price: $25.00

1. Accurately detect Voltage in cables, cords, etc
2. Lightweight yet durable design
3. Pocket clip for convenient storage and quick access

List Price: $20.99

Price: $20.99

You Save: $14.00 (67%)

1. Non-contact detection of voltage in wires, circuit breakers, switches, outlets and more.
2. When close to voltage both the LED light and warning tone will go off at different frequency depending on voltage strength.
3. LED flashlight works independently from the detection function.
4. Very lightweight and convenient to carry around with the pocket clip.
5. EN61010-1/1000V CAT III safety rating for your personal protection.

List Price: $224.95

Price: $112.23

You Save: $112.72 (50%)

1. Power Probe III and accessories
2. 4mm leads and connectors
3. Continuity tester
4. Relay and component tester
5. Works on 12-24v Sources
6. Power probe III
7. Cigarette lighter adapter | 3 feet probe tip
8. Battery hook-up clips | 20 feet extension lead
9. The red cables are found under the printed manual sheet.

List Price: $59.00

Price: $59.00

You Save: $36.01 (61%)

1. 3-48v widely use Circuit Tester/circuit test light,Designed to check car electrical circuits and other 3-48v wiring and circuits
2. .1 Accuracy voltage reading on white Backlit digital display
3. Made with sharp stainless steel probe for piercing wires, for hard to reach areas
4. Portable 3.6 m long enough PU spring wire for easy operation
5. Constructed with acetate fibre, high toughness and shatter-proof

List Price: $74.99

Price: $74.99

You Save: $5.00 (7%)

1. ONE TESTER FOR ALL CIRCULT TESTING-- KZYEE KM10 power scan kit is the most revolutionary circuit tester, which performs each type of service, including power injection and measurement,ground testing, polarity checking, continuity testing and components activating etc.
2. DO ALL THE MULTIMETERS DO, AND MORE -- With this automotive voltage tester, you will be able to accurately diagnose the DC Voltage, AC Voltage, Resistance and Diode of the 12v-24v electrical systems by simply pressing the mode button.
3. COMPONENTS ACTIVATING-- Our auto probe tester is capable to power up the components, such as cooling fans, starters, relays, windows, washers and so on. Powered by the car battery or cigarette lighter, no additional battery or wires pulling needed.
4. WORTH TO OWN-- The electrical system diagnostics tool provides 20ft extension cable for you to reach all around your vehicles, trucks and trailers (12V-24V). And the built-in flashlight is bright enough to light up your work area.
5. KM10 short circuit tester has the ability to tests for bad ground contacts instantly, tracking and locating shorts fast without losing fuses. What's more, it is circuit breaker protected, which is a safer measure to protect the tool from overload.

List Price: $9.99

Price: $9.99

1. CONVINIENT Long Probe with alligator clip Tests fuses, reaches into tight places and pierces though insulation. Tests connections, Light Sockets and find short circuits quickly and easily. Detects Power shorts and breaks in wires. Tests voltage regulators, fuses, switches, armatures, & distributors
2. HIGH QUQLITY Deluxe Continuity Tester Tests 6-12 V. AC and 24 V. DC automotive and small equipment electrical systems for open, grounded or short circuits. Quickly check automotive headlights, taillights, turn signal circuits, faulty sockets, connections, fuses, broken wires and more.
3. DURABLE Sharp steel probe reaches into fuse boxes or pierces insulation to contact wire so you can keep your hands safe from any harmful material. The light bulb in the handle is self-powered and will brightly illuminate to let you know if the circuit is good. The Impact resistant handle makes sure that the light bulb inside is safe.
4. WIDE RANGE Extra-large 54-inch cord allows for great flexibility, range and freedom when testing circuits for shorts around the house or for big vehicles. Reinforcing spring prevents damage to test lead at base of handle. The ergonomic slim design ensures you have a tight and even grip on the handle while testing for shorts.
5. SOMETHING ABOUT US - Katzco will make sure that you will be satisfied with the 8piece Impact socket adapter and reducer set. You buy from us. You are protected with our 100% No Questions Asked Guarantee for either a replacement or refund. We care about only putting out high quality products that satisfy your needs. If there is anything you need that we don't offer, we go and find the best for you.

List Price: $22.98

Price: $22.98

You Save: $10.99 (48%)

1. Distinguish the live and null wire through different frequency alarm sound AND led indicator; Voltage detection range 12-1000V AC
2. Non contact voltage tester will flash and beep when the device close to AC voltage greater during the specified voltage range without touch the measured object, and also with the beep sound and LED to indicate to support enough safety measuring application
3. Voltage frequency can be distinguished by beep and LED indicator. It's loud enough to hear over moderate machine equipment noise
4. LED light allows operation even on dark environment; Auto power off after no operation for 5 mins to save energy
5. Convenience and easy to carry, small in size, easy to store in tool box or carry in your pocket

List Price: $32.49

Price: $29.33

You Save: $3.16 (10%)

1. Voltbeat technology and continuous self-test - so you always know it is working
2. Upon detection, tip glows and beeper sounds
3. CAT IV 1000 V for added protection
4. Range 90-volt to 1000-volt
5. 20-volt to 90-volt AC control circuit model also available

List Price: $13.57

Price: $13.16

You Save: $0.41 (3%)

1. Has 5 ft. heavy duty lead.
2. Tests low voltage up to 28 volts.

List Price: $12.95

Price: $12.95

1. PRACTICAL AND CONVENIENT WAY TO TEST ELECTRICAL LINES - Accurately detects AC voltage ranging from 12V-1000V, distinguishing them into 3 voltage levels.
2. EASY TO CARRY AND HANDLE - Durable polycarbonate plastic resin ensures a compact build and its pocket clip allows easy handling
3. ENSURING YOUR OVERALL SAFETY - Now, you don't have to call a professional electrician nor make contact with the wire just to know whether electricity runs through it. This device would determine whether there is some form of electricity running through the wire without you actually needing to touch it.
4. ENERGY EFFICIENT WITH CONVENIENT TORCH LIGHT - Auto power-off feature conserves energy while the LED torch allows operation even on dark corners.

List Price: $7.95

Price: $7.34

You Save: $0.61 (8%)

1. Automatic AC/DC voltage tester for residential or commercial use; tests receptacles, lights and appliances
2. Compact, pocket-sized and easy to use. High quality construction for years of service.
3. Bright neon lights indicates AC and DC voltages even in well-lit rooms
4. Built-in test leads holder; spaced to fit a standard US/Canada outlet for easy one-handed testing
5. CE and CSA certified for Category III 600V.

List Price: $18.94

Price: $18.94

1. Clear LCD display for accurate voltage readouts
2. Tester's ground cable attaches to any ground while tester measures voltage from positive sources, or flip internal display to perform the opposite
3. For use on cars, boats, trailers, vans, RV's, motorcycles, airplanes and snowmobiles
4. Needle-sharp stainless steel probe allows for easy piercing
5. Use to check electrical circuits and accessories on all 12~24 volt systems

List Price: $13.54

Price: $9.99

You Save: $3.55 (26%)

1. Nominal Voltage: 110/125V AC at 50/60Hz in 3-wire outlet
2. Detects the most common wiring problems in standard and GFCI receptacles
3. Works on GFI outlets and confirms operation of the ground fault protective device
4. Conforms to UL Std 1436, Certified to CSA Std C22.2 #160
5. Built to withstand a 6.6-foot (2m) drop

List Price: $7.97

Price: $7.97

1. MULTI USE - Can be used in a variety of applications. Mechanics, electricians, and homeowners alike will find great use with this tester. Test for broken or live wires, fuses and circuits. Reach into light sockets, taillights, faulty sockets, distributors, generators, car batteries, headlights, turn signal circuits, motorcycles, suv's, switches, and power outlets. The possibilities are endless!
2. ERGONOMIC DESIGN - The compact ergonomic design of this tester ensures you have a tight comfortable grip while using. Reinforced casing and test leads provide maximum safety against electrical currents.
3. 4 VOLTAGE SETTINGS- This tester contains 4 voltage settings and a combination of glow lamps to indicate the voltage that is being tested. 110, 220, 277, or 460 volts.
4. USE FOR DC CURRENTS - This tester can also test for DC polarity, frequency, and polyphaser line.
5. EASY TO USE - Katzco 4 way circuit tester is really easy to use as well, making it great for DIY homeowners. Simply use the color coded negative and positive leads to probe into an outlet or circuit and the one of the lights will illuminate according to voltage and ensure that the current is good.

List Price: $7.99

Price: $5.08

You Save: $2.91 (36%)

1. Durable ABS housing for extreme toughness and long term use. We've added a small pocket clip for added convenience
2. 3 ft. test leads with an insulated alligator clamp
3. Tests Fuses in junction block, automotive circuits for voltage and back probe connectors & sockets
4. Sharp tip for piercing wire insulation
5. Used to test DC Voltage in automotive applications tests voltage from 6-12V

List Price: $14.95

Price: $10.57

You Save: $4.38 (29%)

1. Tests standard & GFCI sockets/outlets/receptacles for proper wiring (110-125V AC)
2. Verify proper wiring of GFCI (ground fault circuit interrupter) and standard US and Canadianwall outlets with a simple push of a button
3. Detect five different wiring faults [open ground, open neutral, open hot, hot/ground reverse, and hot/neutral reverse]
4. UL and CSA listed for safety

List Price: $15.79

Price: $15.79

You Save: $5.82 (37%)

1. 【Electric Socket Tester】 - Advanced socket tester for rapidly detecting whether the socket's wire connection is correct or not.
2. 【Design with GFCI Test Button】 - Power outlet socket for correct wiring and GFCI trip function. It can test the protection system to ensure the household electrical safety. Perfect for protect your security against the risk of electric shock.
3. 【Easy to Use】 - Detect whether neutral, live and earth wire is connected correctly and to indicate which wire is missing with clear light patterns.
4. 【Bright LED Light & 3 Test Indicators】 - The light patterns are well labeled on the surface of the socket tester. The tester adopts a built-in light so it can also be used in the dark. Easy and fast to read the test result.
5. 【7 LED Light Patterns】 - With 7 easy to read indicators to indicate the state of the socket, easy to judge: Correct, Open Ground, Open Neutral, HOT/Neutral Reverse, HOT/Ground Reverse, Open Hot, Live Neutral Reverse.

List Price: $50.00

Price: $50.00

You Save: $17.01 (34%)

1. ✅ MULTIMETER with 6000 COUNTS - this multimeter displays up to 6000 counts, it is an NCV, AC and DC Voltage Tester, it is and Automotive Tester, Temperature and Battery Tester, Diode and also measures Continuity Frequency Capacitance Resistance Current and many more!
2. ✅ ACCURACY AND HIGH PRECISION - your best True RMS electrical tester is an extremely and precise tool that will satisfy even most sophisticated professional electricians and amateurs as well. This voltage detector can be easily used by men and women. Full range measurement features for home, lab, factory, automobile etc.
3. ✅ LCD BACKLIT and FLASHLIGHT- your portable multifunction circuit tester equipped with large LCD backlit screen and Flashlight that provides you easy-to-read measurements even in darker conditions
4. ✅ EVERYTHING YOU NEED IN ONE BOX - this digital multimeter comes with all the essential stuff, so you can start using it immediately. The box includes 1 current voltage tester 4 x AA 1.5 V batteries, User's manual in English, Test Lead and K-Type cables Thermocouple.
5. ✅ 100% RISK FREE PURCHASE - we are absolutely sure about the quality of the multimeter, that's why it has an incredible ONE YEAR warranty. If something goes wrong contact our customer team for a replacement or a full refund.

List Price: $25.00

Price: $25.00

1. Identification of telephone tip and ring lines; detection of line condition: clear, busy, or ringing
2. TONE mode to trace electrical wires without damaging insulation
3. CONT mode to check for short and open circuits
4. Adjustable sensitivity for differentiating wires in close proximity
5. One-year warranty

List Price: $57.40

Price: $41.37

You Save: $16.03 (28%)

1. Quickly, accurately, and automatically find the corresponding circuit breaker of any 120V standard electrical outlet
2. Flashing arrow indicator for easy identification
3. Strong transmitter reaches distances up to 1000-feet
4. 90 to 120V operation
5. Microprocessor controlled for more reliable identification

List Price: $58.65

Price: $58.65

You Save: $35.66 (61%)

1. Autoranging clamp multimeter measures AC currents, AC/DC voltage, resistance, and also provides diode and continuity tests
2. The clamp measures the AC current in a conductor up to 26mm without interrupting the circuit
3. Additional features include: Data Hold, Max Reading, and an easy-to-read large LCD
4. Comes with a handy carrying pouch, perfect for use while you're on the go
5. Automatically enters sleep mode after 15 minutes of inactivity for energy conservation; 1-year warranty and lifetime support from Etekcity

List Price: $24.99

Price: $24.99

1. Wide range applications: EM285 circuit tester can be used to test continuity, test polarity of a voltage, check lamp, check electric motor, follow and locate short circuits, test for bad ground contacts etc
2. Long test lead: The cable length is about 16ft which allows you test any electrical system easily
3. Short-circuit protection: The unit has short-circuit protection and can test for bad ground contacts instantly
4. Easy operation: After a simple hook-up of the unit to the vehicle's battery, automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward
5. Comprehensive 6-24V DC test kit: Do not use on AC voltage

List Price: $24.65

Price: $18.63

You Save: $6.02 (24%)

1. Designed for testing electrical circuits and locating shorts grounds and open circuits
2. Features include 12 foot heavy-duty coiled cord and checks both 6 and 12 volt systems
3. Ergonomic slim designed clear handle with a bright red slim style replaceable bulb
4. Positive contact-molded strain relief
5. High current clips with protective boots open to an extra wide 5/8 inch for ease of hook-up