How to check an outlet with a digital multimeter

I have put together a course that walk you from A to Z with residential wiring.The course was put together with the armature in mind so it is pretty easy to follow yet powerful and effective. You can pick up the course by visiting http://www.electricalauthority.org

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Автор James Roy ( назад)
lol tyrone that's typical black name

Автор Amar Jeet ( назад)
At first you connected Red and black of multimeter to left and right side
of the outlet respectively. But @5.00 I was worried that you're gonna blow
the multimeter as you connect Red prong in the Live. Phewww

Автор Tim Jhonson ( назад)
Thanks for the reply.

Автор Tim Jhonson ( назад)
Thank you.

Автор Randi Logsdon ( назад)
Tyrone, I have a strange problem with several outlets that don't work. I
took it apart put a meter on it and from hot to neutral there is no flow or
voltage. But If I go hot to ground wire it shows flow voltage and if I also
go neutral to ground wire it also shows flow or voltage. Do you know whats
going on?

Автор Joe Wiess ( назад)
Tyrone, When you used the meter I noticed a small light come on, what does
the light indicate? Thanks

Автор DJ Shylonite ( назад)
hi tyrone, im currently studying computer science and am reading how to
test an outlet. I am told to stick the black lead to ground and then my red
lead to hot and it should give me an accurate reading if wired properly. is
this correct? I see in your demonstration you put the red lead in neutral
first and then black lead in hot. are both ways correct?

Автор Phillip Carr ( назад)
Thanks for the demonstration! I just bought one of these Flukes, and don't
really know much about them. I'm a young homeowner, and want to be able to
do more of this stuff myself. You earned my sub, sir!

Автор Jon Ecks ( назад)
Kinda wish you still uploaded some videos, these are great i am in school
now and wanted a review for finals tomorrow and these are helping a ton.

Автор Gokhan Bulut ( назад)
Great video! quick question i have a 20amp breaker keep tripping with
sparks connected to back yard lights and porch recessed lights.
everything was working well after l changed the bad switch . after heavy
rain its all off again breaker wont back on- what would you advice? thank

Автор Electrical installation guide ( назад)

Автор Zolitar Iglussey ( назад)
Thanks Man, we just experienced the open Ground crap on a home
Inspection... I wired many of these sockets and some are original 1978 but
even some of my sockets have Open Ground... is the Copper not making good
contact or what? Kinda urks me that I failed!!!

Автор Isaiah Roberts (870 лет назад)
thank you my Brother

Автор Isaiah Roberts ( назад)
Hello Tyrone I was wondering when you do the tests does it matter which
Leads go in which part of the receptical?

Автор Pavle Pavlovic ( назад)
why not use a lamp and check it that way . Against spend 200 bucks on a
Fluke DMM to check an outlet . Things ive seen measured with Flukes is just
amassing , the most expensive DMM on the market and every single use of it
is stupid . when you find a man actually doing some work with DMM, he needs
it , 9 times out of 10 its not even a FLuke . Check out PC motherboard
testing with DMM ill give you a 100 bucks if you find a fluke there

Автор Nate Daniels ( назад)
great job

Автор Genki Kids ( назад)
Excellent video Tyrone. Well explained and fun to watch. Love the accent.

Автор Sal Cott (946 лет назад)
out of curiocity why is the red test lead being connected to the nuetral
and black for live side? always had red as positive or pwr side in auto
industry black as ground..Thnx

Автор Faisal Almalki ( назад)
I tested it and it appears that both of my outlet's leads are hot, is that
dangerous and will it damage my Studio PCs even though I have it plugged
into my UPS?

Автор akbaxb165 ( назад)
Thank you for enlightening me on this issue, Tyrone.

Автор Darlene Royce ( назад)
Excellent video. Simple and well explained. I can use this for testing
circuits for appliances to save time.

Автор David Berquist ( назад)
thanks for your coment did you look at my electronics videos puting in line
fuse were factory didnt i would like to see some work you did take care im
41 i did wiring since age 14 and did wiring with batterys in my parents
cellar at age 8

Автор David Berquist ( назад)
good jod i have electrical videos to

Автор thetruth ( назад)
What should I set my meter to check the voltage on my G4 12v light socket.
on the hood range ..

Автор gazthrak ( назад)
Great video! If you had outlets on one circuit that all read erratic low
voltages, all under 70v, what could that be?

Автор gPhotonica CA ( назад)
Thank you Tyrone, after buying a multimeter, last night I used your method
to check all my outlets and found two issues. Both outlets were reversed
polarity, they were the only two outlets I never checked myself when first
buying my home. Oddly, one outlet was also badly spliced and was done by a
certified electrician I had hired. So, your information was very useful.

I have one question, if doing a couple pigtails, can I run one pair of
ground wires to the junction box grounding screw and one pair to the
receptacle ground screw, or MUST all ground wire be attached to the same

Автор Baran Hajiesmailoo ( назад)
Great video and information! Thanks for taking the time to do it.

Автор MonimBoseño ( назад)
ok, I connected the GFCI outside the house but the oulet shot back when I
try to turn in on, I did it too mamy time that the outlet dont work no
more, I open the outlet and check with the neon tester if it was running
voltages and it was ok, the circuit was closed but the outlet dont work,
always shot me back when I try to turn in on, donow what the problem could

Автор Wil Rey ( назад)
I see you used the red and black in both sides...it doesn't matter if the
red is in the hot or ground and vise a versa?

Автор Ibbygirl ( назад)
Good information! Thank you Tyrone. 😃

Автор 702sincitylv ( назад)
Interesting. Thanks for sharing!

Автор odamsy ( назад)
I was thinking of getting the Klein et200. but I like the fluke you have
Which is double the price I do home remodeling and would be using it when I
change out plugs light switch gfis. what tool would you recommend

Автор dull_boy_ 27 ( назад)
thanks for sharing!!!

Автор twana chalabi ( назад)
It was really helpful, im installing a villa i tested Jacuzzi out let with
voltmeter, the Phase outlet to the Ground outlet is shows zero volt. does
it means i have problem with earthing!!! is it that dangerous if i didn't
connect properly ????

Автор Daryl Mosely ( назад)
Thanks for a great video. It is a big help. One question, I noticed that
you switch the red and black leads during the video as to which sides of
the outlet you put them in. Does it make any difference with a multimeter
as to which prong goes into which side?

Автор Joe Wiess ( назад)
Learned a few things, thanks.

Автор Dominicano y que ( назад)
wait a minute, that tool is not for White People ?

Автор Branco Martinez ( назад)
yo its Tyrone !!

Автор Aye Aye Rawn (233 года назад)
sir, imma take a wild guess and say you are from maryland?

Автор Enigma758 ( назад)
Thanks. If I want to replace the unpolarized power cord from an older
appliance with a newer grounded power cord, should I connect the ground
wire to the appliance chassis?

Автор Tom Devine ( назад)
Good job, much appreciated.

Автор brs “Brsrafal” rafal ( назад)
hey great video i want to become an electrician where is the best place to
find apprenticeship ? local union is tough to get into how do I get my foot
in the door? Central nj?

Автор stevie savaloy ( назад)
Nice 1 Tyrone...thanks for explaining in detail.i get your drift :)

Автор akorpija ( назад)
If the 'long side' is the neutral and the 'short side' is the line side,
then why put your red lead (red = live or line or positive) into the long
side, and your black lead (black = neutral) into the short side?

Автор Matt H (765 лет назад)
Helpful and to-the-point, thank you for the education!

Автор Chip Hennen ( назад)
awesome video. Very educational. Tx very much for posting this. This is the
2nd of your videos I've watched.

Автор Ronnie Baga ( назад)
Thanks for this tutorial twas very informative. I have a question though.
My fridge plug broke and the ground prong broke off. Can i just buy the
same type of plug from home depot and just replace it myself. Thanks again.

Автор camostryke ( назад)
Tyrone this is the second of your videos I have seen, I really like your
emphasis on safety and excellent info, thanks

Автор ArcanePath360 ( назад)
I get voltage when I put it in the neutral side and touch the metal face
plate, but nothing when I touch back to the live. Does that mean my power
is inverted or I have a bad ground? Should I be worried? Thanks

Автор Tim-J.Swan ( назад)
Your multimeter other end shouldn't ever be 'hot' from the other side
except maybe for the amperage setting.

Автор EndOfDayz727 ( назад)
Hmmm, so it doesnt matter which prong u shove into the neutral socket first?

Автор KUSH MASTER ( назад)
3:55 no you could touch it and nothing would happen. the multimeter has a
very high internal restistance.. sorry for my bad english ^^

Автор Richard Cowtails ( назад)
the short side is hot

Автор Richard Cowtails ( назад)
Good man, that's the good man

Автор Billy Ranks ( назад)
Very nice Tyrone, I like your Multimeter lesson especially the part
explaining the various holes in the outlet itself. The safety tips were
invaluable. Thank you.

Автор Jeffrey Boot ( назад)
thanks Tyrone

Автор Trenton Joseph ( назад)
Love your video. Thank you for the upload. You are an awesome person! Look
into becoming an instructor and or a college trade teacher. Again great
upload, thank you

Автор bmwm3cs ( назад)
Could you check the amperage too? 

Автор Richard Piper ( назад)
Thanks very much. Very useful 😀

Автор giribaba ( назад)
I am getting a reading of 157mV - 220mV when I test the ground to neutral.
What does that indicate?

Автор cooldog60 ( назад)
Do you have a video on how to wire an outlet that has 3 white and 3 black
wires? I can not figure out where all those wires go.

Автор Jack Denning ( назад)
Good tips, especially probing the neutral side first!

Автор Neill Southwick ( назад)
Hi, I;m sure you reversed the test leads when did this test. The red lead
is HOT and the black one is the neutral. The RED should have gone in the
short slot and the black lead in the long one. Let me know if I'm wrong
please. Love your videos BTW. Cheers, Neill

Автор Jacob Plunkett ( назад)
Why did you have it on AC and not DC? Can it cause damage to you or the
meter if it was set on DC?

Автор Steve Marsan ( назад)
Thank You very much. Excellent explanations I appreciate it!

Автор AtomicPrepper ( назад)
What would happen if you tried to test current (multimeter set to test AC
amperage) using the same method? 

Автор Angel Johnting Brown ( назад)
Very informative, thanks for sharing your knowledge! 

Автор Travis Lamming ( назад)
Thanks! Very helpful. 

Автор Rich Link ( назад)
Cool, very helpful, and important info bro. Tanks.

Автор Andre Williams ( назад)
Thanks Tyrone for this video.

Автор Joel Rooks ( назад)
You are showing red on left and black on right at about 3.24 and the
opposite at 5.01 which way is correct

Автор GreyAlienLuv ( назад)
Thanks. Your instructional video helped me to learn how to test for AC
voltage in my master bedroom outlets.

Автор Helltownboy ( назад)
I was wondering is a 123.6 normal my voltage keeps going up and down every
second to 123.8 and back down

Автор ray russo ( назад)
This helped a lot - thanks!

Автор Miracle 007 ( назад)
This video was right on time! I needed a quick refresher on how to check
to see if my water heater was getting amps and this video was perfect!!
Thank you, sir.

Автор mark Nonthaweth ( назад)
red is voltage black is ground why you put red in ground and black in hot.

Автор thesunreport ( назад)
thanks for the advice..this is a good video :)

Автор Mark Goyette (1643 года назад)
Tyrone, nice job on the video. I'm having an issue with my outlet. The
other day I heard it pop and smoke started coming out (lightning outside
but did not see/hear anything close to the house). It appears the fuse
popped in it and it is fried. I bought a new one and connection wires
appear ok. Now I put in new outlet and I have no power coming out of
outlet. Main breaker is ok as well. Not sure what to do next. Could the
ground wire be fried somewhere besides the outlet?

Автор Tyrone Robertson ( назад)
If the ground or neutral is not connected to the system ground or the
system ground is not bonded or you have a bad connection then you may have
an open ground (NOT GROUNDED) if it is not grounded it can become energized
(VERY DANGEROUS) because you have no path or a bad or limited path back to
earth. In your situation sounds like either the ground or neutral is open
or have a bad connection point and the other does not (potential difference
between the 2 conductors) in a situation like this you can read voltage
between the 2 NOT GOOD

Автор Luan Dang ( назад)
hey guy! i'm wondering
why voltage between Neutral and GND is 80 VAC when i opened GND of my

Автор Kevin S. ( назад)
Thank you

Автор Austin Kuhn ( назад)
thanks tyrone!

Автор Diesel ( назад)
great video. I was looking around the net trying to find how to test the
actual ground conductivity wire(bottom one) was a little worried just
shoving the multi meter in there and picking a vertical slot randomly, but
I guess it doesnt matter much, just the indication of if its wired
backwards or not, vice/versa based on your video.

thanks again 

Автор Jay Diaz (1806 лет назад)
Hey. Tyrone. I'm trying to replace my outlet. Because the old one kinda
melted. Now I tried putting new receptacle on there and it keeps blowing
fuse. Any ideas what is causing this?

Автор Tom Bic ( назад)
He provides important safety information in this video.

Автор senorgringolingo (388 лет назад)
@6:30 I just discovered my ceiling mount polarity was reversed: the white
and ground read a 0V drop, but the black and ground read 124V drop.

Автор S Sam ( назад)
Good stuff, thanks for posting

Автор Guy Herman ( назад)
Great video man! I lost power to half my house, totally confused when no
breaker was popped? I watched your video, went out bought a tester, and da
da, found the outlet that had a ground wire loose! Sweet beans man! Thanks!

Автор Abby Warcken ( назад)
Thx Tyrone 

Автор Abby Warcken ( назад)
Thx t

Автор G Schmitt ( назад)
This guy's as cool as it gets... seems so laid back. I appreciate the
tutorial... I tested all the outlets in my house and found a few that were
wired backwards; and another that was not properly grounded. (connected to
microwave... THAT's why we'd get a shock from the outside casing of the

Thanks, Tyrone!

Автор Joseph Guido ( назад)
Thanks Tyrone. Very helpful.

Автор rock and roll ( назад)
Great job, Tyrone!

Автор OV1Aviator ( назад)
Thanks for the video. You made some Great points that I didn't know. 

Автор PinkOld ( назад)
Nice explanation of checking ground and polarity, Tyrone.
It's really nice to have a video demonstration from someone who knows what
he's doing.

Автор Lord Sauceness ( назад)
Really good video and good advice. However, don't ever assume the white
wire side will be neutral! I'm trouble shooting a problem with a circuit
in my basement and while using a vacuum cleaner, all the power in the one
room went out. Long story short, I've isolated the circuit (using my
voltmeter of course) and found half the plugs & light are working, the back
half not. Problem?.... the white wire is showing 120 volts to ground and
so is the black on the bottom end of the circuit run.... the first several
plugs and one light are fine.
The white/black wire show 0- 50 volts. on those plugs If I had just tried a
lamp, or used one of those lite-up circuit testers, to test the plug, it
would have indicated no power but I'd have ended up working on hot
wires.... voltmeter is the only way to go.. ..now I just need to find out
where the circuit went bad! I'm getting there, but any tips would be mucho
appreciated. I have a rudimentary knowledge of electrical theory from an
electronics course taken years ago. ...but little experience in home

Автор Ahmed Belarouf ( назад)
Thanks mate

From a hvac apprentice

Автор OliverKoolO ( назад)
Thank Tyron you the man. This Tutorial helped me with understanding. 

Автор Brandon Yoder ( назад)
Thanks Tyrone

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