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Old 02-20-2018, 08:54 PM   #41
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Many old 'veterans' used to do that but I've been told it takes a serious toll on your nerves over time.
I have always heard this but never meant anyone that stupid.

Well once when tic tracers first came out, I walked into an electric room and 5 or 6 guys were holding hands the last guy in line had the tic tracer, the first guy was was touch a 120 VAC exposed termination. DUMMIES. Then they realized if one guy had a connection through his shoes........
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Old 02-20-2018, 08:55 PM   #42
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Has anyone ever had a false negative while checking to see if a conductor was ĎHotí how dependable are they for checking whether or not something is hot or not?very much not dependable If not very dependable, I have this small ideal multimeter, would that be more adequate
do not trust tic tracer
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Old 02-20-2018, 09:00 PM   #43
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I have 2 of them but never use them anymore! too many false positives.
when in an mcp trying to trace down a faulty circuit with one is a joke.
it just as fast for me to use my meter then to wave a ncvt around.
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Old 02-20-2018, 09:10 PM   #44
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I have always heard this but never meant anyone that stupid.

Well once when tic tracers first came out, I walked into an electric room and 5 or 6 guys were holding hands the last guy in line had the tic tracer, the first guy was was touch a 120 VAC exposed termination. DUMMIES. Then they realized if one guy had a connection through his shoes........
The old Navy vets that worked for my Uncles company used the finger test all the time.

I was never keen on it myself.
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Old 02-21-2018, 12:28 PM   #45
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1. A non-contact voltage detector does not meet the requirements of NFPA70E or OSHA for determining a circuit is dead

2. There are 2 types of NC detectors, proximity detectors and capacitive sensors (You should know what type you have and how it actually works

3. Proximity detectors work on the principle of a moving electric field, so they will not work on DC and they may not detect 3 phase AC if the 3 conductors are close to one another and equal distances apart (Fields cancel each other out since they are 120 degrees out)

4.Testing with a capacitive voltage sensor has certain limitations which should always be remembered. Correct operation of the tester depends upon the capacitance between the sensor’s barrel and ground (normally through your hand and body). If this path is broken for any reason, the sensor probably won’t work. For example, if you are standing on a wooden ladder, the capacitance between your body and ground will be much less than if you were standing on a concrete floor.
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Old 02-21-2018, 03:08 PM   #46
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I have a contractor that loves to play sparky . no power to circuit so he used his to find what breaker was off in the panel . He said they are all on . I told him those things DONT work in a hot panel . Pulled out the trusty t-5 and and yep bad breaker . Well how come they do not work in a hot panel .

Love trying to explain theory to a contractor .
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Old 02-23-2018, 11:20 AM   #47
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1. A non-contact voltage detector does not meet the requirements of NFPA70E or OSHA for determining a circuit is dead

2. There are 2 types of NC detectors, proximity detectors and capacitive sensors (You should know what type you have and how it actually works

3. Proximity detectors work on the principle of a moving electric field, so they will not work on DC and they may not detect 3 phase AC if the 3 conductors are close to one another and equal distances apart (Fields cancel each other out since they are 120 degrees out)

4.Testing with a capacitive voltage sensor has certain limitations which should always be remembered. Correct operation of the tester depends upon the capacitance between the sensorís barrel and ground (normally through your hand and body). If this path is broken for any reason, the sensor probably wonít work. For example, if you are standing on a wooden ladder, the capacitance between your body and ground will be much less than if you were standing on a concrete floor.
Did not know about the capacitance type. Thanks for that.
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Old 02-23-2018, 03:11 PM   #48
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Did not know about the capacitance type. Thanks for that.
There is a good paper from Fluke out there somewhere on the subject.
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Old 04-25-2018, 09:44 PM   #49
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Just a thing to watch if bored.


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Old 04-26-2018, 12:48 AM   #50
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https://youtu.be/e7aSde8X5JU
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LOL!

Especially his ergonomic design shape!
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Old 04-27-2018, 12:15 AM   #51
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More of the same.


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Old 04-30-2018, 01:10 AM   #52
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get a Fluke , ... they are like $30.00 ... but just like others have said , they are not absolute ... you haven't had a surprise till you come across a a lifted neutral ... squirrels and rats can really wreck your day ... just sayin...
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