Non Contact Voltage Tester
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- Опубликовано: 29 сен 2024
- Here I am going over my NonContact Voltage Tester.
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There's so many out there so your info was helpful and I think I will go with this model. I like that is is not over sensitive so that it can also determine the null wire vs the hot wire. Great job Tony....
Phil
Thank you I appreciate it. And really glad you found it helpful 👍
@@TonyTheTechnician I have been using my UEI DL479 Multimeter to check my darn Christmas strings lights (so I don't have to keep buying them every year!) and although it works great (and is a great meter) it's just to bulky for that operation, so I decided to get a NCV Pen, so I can do it more easily. Those darn lights can drive you nuts! Thanks.
Phil
Haha that is very smart. Im sure it made it alot easier and faster. Thanks for the idea lol. That's what I will do as well. I don't know why I never thought of that
@@TonyTheTechnician Yes...Just trace where the voltage ends in the string of lights and then you can determine which bulb is burnt out...as those shunts don't always work when a bulb burns out. Note: You may have to reverse the plug to get the hot polarity correct so the live/hot is on the correct wire where the lights are connected. You need to pull the light away from the other two wires also or you get a false reading.....Happy Holidays!
Thank you and happy holidays!!
personally, I do NOT shut off the breaker first... I check the area I want to work on with the tester, confirm it detects power, and THEN I turn off the breaker before re-checking the same area. That way I am testing/confirming the operation of the tester.
Just bought the same model. Trying to replace an outdoor outlet, killed the main breaker for the whole house & when set in the high sensitivity mode it still beeps once & lights red.
When set to the low sensitivity, nothing lights up or beeps on the reader.
Am I doing something wrong?
Those are great. I have a Klein.
Very nice 👍
I have one of these and the red light's coming on, blinking, and making noise even though the breaker is off right there. I know the breaker is off and there is no power because the light won't come on. But can't be sure. Was hoping you would show what the device does when there is no voltage at all.
Very helpful, cheers bro!
Thing is, it beeps near the ground wire. Is that normal? Breaker's off.
can you check dc voltage with this for example in a car or a bike?
I got the same one on Amazon, but threw away the instructions. Awesome to find a video on this exact one!
Nice. Glad I could help 👍
Super handy tool. I use mine all the time. I even used it this past Christmas to find out why my Reindeer weren't lighting up like they should.
Yes indeed it is and that's smart 👍
Solid advice. I use Klein or southwire USA made, but good tips. Great channel 😘🇺🇸
Thank you and that's the way to go right there 👍
I found a southwire one i really liked a few years ago. Biggest problem with ncv detectors are being too sensitive. Great video bud
Very nice and ya I have had that issue as well in the past. Very great point. Thank you 👍
Could someone describe when (i.e., under what circumstances) you would use the LOW vs HIGH sensitivity...? Thanks.../Ray
You use the Low Setting to find the neutral/null/white wire (to see if the outlet is wired backwards)... In USA the null wire goes on the left/tall slot; and the hot wire goes on the right/short slot... Make sure you do your own research and check if what I'm telling you is correct before taking my advice (use at your own risk!!!).
Hvac guys get yourselves ht100p version it has a contactless phase detector which is a must when you start up commerciql equipment & I can't tell you how many times on startups compressors are runnin backwards & kiling it's life away, that's great way to void warranty & compressors replacement are considered majpr repair as per EPA
How do you shut the noise off .. great to but so annoying
Hmm I'm not sure I would have to check the book. Idk if you can. I don't use it often enough to really worry about it. But that's a great point
Good video. I use an older sensor may i should get a newer sensor. Only works on ac.
Thank you
I bought a cheap one of these and I didn’t trust it so I bought a Klein👍🏼
Lol understandable 👍
Voltage tester, you chicken lol (imma be getting one of those too)
Lol 😆😆😆
Interesting, thank you.
Thanks for watching!
Thks
👍
What is the "Lo" in the display mean?
I have the same question here
I don‘t rely on them. They can only indicate AC, they require batteries. The high CAT rating is due to it is completely made of plastic, so you can‘t actually cause a short-circuit with it. Here in Germany voltage testers that are used to proof if a circuit is really dead must indicate dangerous voltages without a battery required. It is not necessary to indicate how high it actually is, so a LED with an exclamation mark is ok.
Always test voltage testers with a proofing device or a known working circuit. Before and after the test of the circuit in question.
The touchless are good if you look for a broken wire in a cable, especially if you look out for the location in the cable.
The voltage tester I usually use is CAT IV 1000V, and a conventional type.
The cat IV 1000v will detect short circuit? What is the brand name cat IV 1000v ? Link want to buy thank you
@@CAUSE-and_EFFECT_MIRROR
Cat IV is the measurement category. Cat IV is the highest rating, meaning you can measure directly at the source of power (service entry, net transformer on the street, power generator). t's about protection of the user, the nearer you get to the source of power, the higher the chance you can get massive injuries when you accidentally cause a short-circuit. The Cat. IV voltage testers don't have much metal exposed at the probes. The thing is, in that area a short-circuit would cause a massive arcing which will massively injure or kill a person.
Cat I is the lowest rating, with this you can measure inside of appliances which are not connected to the mains.
Cat. II is in appliances which are connected to the mains.
Cat. III is in the electrical installation of buildings, but only between the final circuit and the meter. Distribution boards, junction boxes, switches, outlets and so on.
Cat. IV is on the source of power, with this you can go behind the meter.
The higher ratings include the lower ratings, so you can perform the work which requires a Cat. III tester with a Cat. IV. So the best way is to get at least Cat. III if you do work on your electrical installation in your own home and are not an electrician.
In case of multimeters the meter, the probes and the test leads must have the proper Cat rating.
en.wikipedia.org/wiki/Measurement_category
You can only detect short-circuits by monitoring the insulation. You can do the classic megger test with a high voltage (in most cases 500V), but for this you'll have to switch off the power to the circuit, or you can monitor the leakage current with a special leakage current clamp meter if the circuit is on. The last thing is mostly done in grids which are not referenced to the ground (insulated ground system)
en.wikipedia.org/wiki/Earthing_system#IT_network
All other types of mains grid are referenced to the ground, the neutral is grounded on all of them. In an IT system that's not the case, so you can have one ground fault. Only the second one will cause the circuit breaker to trip. Such a system makes it incredibly hard to find a fault, so these grids are usually small. Mostly you'll find it in hospitals to increase the stability of the system against an outage.
Can this be used on dc wires as well?
No it cannot.
@@TonyTheTechnician thank you for your reply ;)
@@pimpmaster181 No problem at all. 👍
@@TonyTheTechnician i found your channel last summer and because of your reviews on the husky tool box and your tool box tours, I liked the box so i finally got my first tool box in August and love it so far.. Currently in school for my block 2 apprenticeship program. Here is a link to a quick tour of my tool box.. Not quite as full as urs but slowly getting there. And ive added a few more tools since this video a couple months ago.
ruclips.net/video/G5WVOkQS2fs/видео.html
@@pimpmaster181 Very nice and thank you I'm really glad your happy with it so far and I'm glad you enjoy the videos. I'm sure before to Long you will see your box slowly filling up 👍
Good advice, but always test it on guaranteed live circuit. To verify it’s reliability. I have an off brand too and it works perfectly, I have no brand preference as they seem to all be Chinesium
Thanks and very true I should have mentioned that. This was also a live circuit in this video. And very true. They all seem to be Chinese as far as I have seen so ya as long as you find a reliable one. Thanks for sharing that info and for watching 👍
It's really sensitive . I was looking for a break in an invisible fence wire, I disconnected the wires from the radio unit and hooked them up to 120v via an extension cord and went searching through the grass in low voltage mode. Found both sides of the break in a few minutes, the wire was about 3" deep. It does freak out every once in a while, just loosen the battery cap to kill it & re tighten.