Model # NCVT-1SEN

Internet #100661787

Store SKU #780066

Klein Tools Non-Contact Voltage Tester
0092644690013

Klein Tools

Non-Contact Voltage Tester

  • Detects non-contact voltage in cables, cords and circuit breakers
  • Red LED illuminates with warning tone when voltage is detected
  • Features heavy-duty polycarbonate plastic resins
$1698 /each
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Product Overview

  • Detects non-contact voltage in cables, cords and circuit breakers
  • Red LED illuminates with warning tone when voltage is detected
  • Features heavy-duty polycarbonate plastic resins
The Klein Tools Non-Contact Voltage Tester uses non-contact voltage detection technology for the detection of voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires. The tester provides accurate test readings for use at the job site, in the shop and at home. This tester features high-quality electronics and heavy-duty polycarbonate plastic resins for a state-of-the-art construction that is comprehensive, reliable and durable.
  • Non-contact voltage technology for the detection of voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires
  • Accurate test readings for use at the job site, in the shop and at home
  • High-intensity, bright green LED shows when the tester is operational and helps illuminate the workspace
  • Bright red, high-intensity LED and warning tone provide notification when voltage is detected
  • High-quality electronics and heavy-duty polycarbonate plastic resins for state-of-the-art construction that is comprehensive, reliable and durable
  • Digital on/off power button for easy control
  • Automatic shutoff provides long battery life by conserving power
  • Low-battery indicator lets you know that power is running out
  • Includes 2 carbon zinc batteries
  • Click Here to Learn More on How to Use Electrical Testers and Meters
  • Click here for more information on Electronic Recycling Programs

Product Overview

  • Detects non-contact voltage in cables, cords and circuit breakers
  • Red LED illuminates with warning tone when voltage is detected
  • Features heavy-duty polycarbonate plastic resins
Model #: NCVT-1SEN
Sku #: 780066
Internet #: 100661787

The Klein Tools Non-Contact Voltage Tester uses non-contact voltage detection technology for the detection of voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires. The tester provides accurate test readings for use at the job site, in the shop and at home. This tester features high-quality electronics and heavy-duty polycarbonate plastic resins for a state-of-the-art construction that is comprehensive, reliable and durable.

California residents: see   Proposition 65 information

  • Non-contact voltage technology for the detection of voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires
  • Accurate test readings for use at the job site, in the shop and at home
  • High-intensity, bright green LED shows when the tester is operational and helps illuminate the workspace
  • Bright red, high-intensity LED and warning tone provide notification when voltage is detected
  • High-quality electronics and heavy-duty polycarbonate plastic resins for state-of-the-art construction that is comprehensive, reliable and durable
  • Digital on/off power button for easy control
  • Automatic shutoff provides long battery life by conserving power
  • Low-battery indicator lets you know that power is running out
  • Includes 2 carbon zinc batteries
  • Click Here to Learn More on How to Use Electrical Testers and Meters
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name Non-Contact Voltage Tester Voltage Detector Dual Range Non-Contact Voltage Tester Non-Contact Voltage Tester with Flashlight
Brand Klein Tools Milwaukee Klein Tools Klein Tools
Ratings (395) (43) (9) (84)
Test Meter Type Voltage Tester Voltage Tester Voltage Tester Voltage Tester
View Product View Product View Product View Product

Specifications

Dimensions

Product Depth (in.)
.75 in
Product Height (in.)
5.25 in
Product Width (in.)
1 in

Details

Control Type
Digital
Display Type
LED
Features
Audible Alert,Handheld
Measures/Detects
Voltage
Product Weight (lb.)
0.1lb
Returnable
90-Day
Test Meter Type
Voltage Tester
Tools Product Type
Test Meter

Warranty / Certifications

Manufacturer Warranty
Klein products, manufactured and sold for commercial or industrial uses, are warranted to be free from defects in materials and workmanship for the normal life of the product.

Specifications

Dimensions

Product Depth (in.)
.75 in
Product Height (in.)
5.25 in
Product Width (in.)
1 in

Details

Control Type
Digital
Display Type
LED
Features
Audible Alert,Handheld
Measures/Detects
Voltage
Product Weight (lb.)
0.1lb
Returnable
90-Day
Test Meter Type
Voltage Tester
Tools Product Type
Test Meter

Warranty / Certifications

Manufacturer Warranty
Klein products, manufactured and sold for commercial or industrial uses, are warranted to be free from defects in materials and workmanship for the normal life of the product.

Questions & Answers

Work with testing voltage to outside AC unit? I need to replace my capacitor, would I just touch this to all terminals?

Asked by: Josbryhar
Hi Josbryhar! Definately this is a good tool to make a guesstimate if the AC unit has power going to it. I always test at the line terminals with a meter. Once I know the unit is locked out I ground off any CAP I am working on with an insulated screwdriver to ground. Caps can hold an electrical charge. My meter has a scale on it for microfarads with which I can see if it the value matches the label on the CAP. Got one from H D. Others there. Klein Tools 600 Amp AC/DC True RMS Auto-Ranging Digital Clamp Meter. Follow meter directions. Best of Luck!
Answered by: masterelectricianbill
Date published: 2017-08-03

how long do the batteries last and can you change them

how long do the batteries last and can you change them
Asked by: tester
I've used mine for about seven hours so far and still going strong. batteries are changed by removing the pocket clip.
Answered by: kevin
Date published: 2017-10-04

Random auto shutoff

If I turn the tester on and hold it in my hand then it'll stay on for a little while. Not sure how long exactly. But if I start testing romex in my house it'll show power on a couple test areas and then just turn off in less than 30 seconds. I have tried different batteries with the same results. Is this a problem with the tester or are the energizer industrial batteries not as good or what could be the problem
Asked by: Byoung
No, it does not turn off automatically. You need to turn it on and then off using the little black button.
Answered by: Rick
Date published: 2017-09-27

I'm trying to replace a light switch. With circuit breaker turned OFF in the panel box, if I chec...

I'm trying to replace a light switch. With circuit breaker turned OFF in the panel box, if I check the wires connecting to the light switch (after removing the face plate), I get exactly one beep and the red light flashes exactly once. What does it indicate? (The voltage tester seem to work okay though (i.e, flashing red & continuous beep) if the circuit breaker switch is turned ON).
Asked by: CubsFan
After you disconnect the power ie.... circuit breaker there is always a small amount of a current left which is not harmful or can be felt by us. but is picked up by the device.
Answered by: Bobby
Date published: 2017-10-04
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Customer Reviews

Non-Contact Voltage Tester is rated 4.5 out of 5 by 395.
Rated 5 out of 5 by from Absolutely flawless, hands down one of the best purchases I've made in a long time.  I can't spea... Absolutely flawless, hands down one of the best purchases I've made in a long time.  I can't speak highly enough about this product, which is solidly built and perfectly designed.  It has become a staple of my homeowners tool kit.  I've used it at my house, several friends houses, and my wife's business during electrical renovations across a wide variety of DIY projects.  This unit has helped me run wiring, map circuits, rewire rooms, install sockets and plugs and switches.  It's a constant companion and I love it.  It works peerlessly sounding both an audible and visual alarm when current is detected.  It's so easy to decipher, my wife has used it to help me map the wiring in my new house since the diagram on the panel was completely inaccurate.
Date published: 2017-05-03
Rated 5 out of 5 by from Worth its weight in gold. My wife and I bought an old house and there were any number of electric... Worth its weight in gold. My wife and I bought an old house and there were any number of electrical issues that arose almost immediately. Where does this wire go? What switch does this turn on? Is there any power connected to this fixture? You name it. This little device saved me hundreds of dollars in not having to hire an electrician to answer some basic questions. It's non-invasive, simple to use and more than cost effective. I have other electrical testers for outlets and such, but if you need to follow a wire or just come across one that you don't know if it's live or not, this will save you time and maybe your life.
Date published: 2017-04-26
Rated 5 out of 5 by from This is the best tool I have. This little tester... This is the best tool I have. This little tester is invaluable! this is easiest and best way to check if a wire is positive or not. No wires, no fuss, just turn it on and point. I own 4, one on my tool belt, one in my toolbox, one in my car and one in my truck. I highly recommend this tool. It's easy, reliable and in my book a life saver!
Date published: 2017-09-20
Rated 4 out of 5 by from I resently used it when installing a new ceiling fan. It worked as expected. In retrospect, I sho... I resently used it when installing a new ceiling fan. It worked as expected. In retrospect, I should have purchased the more expensive model. It's range goes down to 12 volts AC, which be useful when checking outdoor accent lighting and sprinkles wiring.
Date published: 2017-08-22
Rated 5 out of 5 by from Very good tool It tells me the power line in a very easy and simple way. It flash's and beeps when the line has power. It is very good for safety. I do not need to use other complex tool, like ohmmeter, to check the power.
Date published: 2017-08-15
Rated 5 out of 5 by from works as needed. As a homeowner, I can now use this around the house as needed, I am a DIY homeow... works as needed. As a homeowner, I can now use this around the house as needed, I am a DIY homeowner.
Date published: 2017-08-01
Rated 5 out of 5 by from VERY easy to use! Push the button to turn it on...move the tester near the wire...if the tip cha... VERY easy to use! Push the button to turn it on...move the tester near the wire...if the tip changes color (from green to red) you know that the wire is hot.
Date published: 2017-03-28
Rated 5 out of 5 by from Installed a new 65W Outdoor Security Light replacing the old one. Could not get the light to come... Installed a new 65W Outdoor Security Light replacing the old one. Could not get the light to come on. Pulled out the Klein Tools NCVT-1. I checked the switch, OK. I tested the 12/2 cable from switch to metal receptacle box, OK. i removed the receptacle box cover, test (3) black wires independently. (2) were OK, (1) FAILED. Turned off power, removed the wire cap. (1) wire was broken under the wire cap, Did the repair, replaced the wire cap, turned on the power. All three black wires were hot, Light still would not come on, planned on returning the unit the next day. That evening the light amazingly came on after dark. The Klein Tools NCVT-1 takes away any uncertainty when doing any electrical work. Get one can save your day! d.s. San Antonio
Date published: 2017-07-01
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