4 Basic Electrical Testers & HOW TO USE THEM

There are 4 basic types of electrical testers that every electrician needs to know how to use, in this video we're going to cover what they are, and how to use them.
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#electrician #electrical #electricity
1) Digital Multimeter - DMM
This is a benchtop style multimeter. Great for everyday use, voltage, amperage, resistance, continuity, some even do temperature and capacitance.
2) Digital Tester
Sometimes referred to as a multimeter because it actually does test multiple different values like a DMM, but really it's called a tester. Nobody will get upset with you if you call it a multimeter, almost all electricians do. Great for everyday use, voltage, amperage, resistance, continuity.
3) Tick Tracer
Works by capacitive coupling, not actually sensing voltage between two objects, however still sensing an electric field presence. Great for identifying the presence of power, just be careful not to rely on it to tell you anything about WHAT is happening with the circuit.
4) Plug Tester
For testing receptacles. Recommend getting the one with the "GFCI test button" on it for testing your GFCI receptacles. Also great for diagnosing miswired receptacles
#multimeters #testequipment #electrical

[@duenge]

I am a retired Fire Marshal, and used a tick tracer almost daily, when doing inspections. There are countless buildings with wires hanging out of switch and receptacle boxes....disconnected, abandoned, hot??? It helped me to write up my repair orders.

[@liftoff5164]

Just started a new job testing EV engines on dynos and my degree is in mechanical engineering yet most of the knowledge required is electrical.. thank you for this sir

[@ianbutler1983]

Checking for current is like making sure a gun is unloaded or there is fuel and oil in the airplane. Check it yourself. If I tell you it is okay, still check it yourself.

[@rhoonah5849]

Agreed and your loaded gun comparison is spot on.

[@skautisti2868]

The airplane analogy doesn’t really work but I agree with the rest

[@sanditepoop]

I never thought about what happens if an airplane runs out of gas before reading this

[@altuber99_athlete]

Whether the wire carries current or not, it doesn’t matter. What matters is if the wire has a voltage with respect to where you stand (usually Earth ground). A wire is said to be live/hot/active if it has voltage (with respect to ground), not if it carries current or not.

[@ukundayezujmv9588]

T//d%

[@danukepaintball]

Wow, this has been up a few hours and not one person whining about the meter not being Fluke? I'm impressed.

[@johndernberger1961]

I see Klein is the new sponsor listed on this video

[@danukepaintball]

@@johndernberger1961 Right? Wish I was sponsored by Klein

[@AV84USA]

You’re the first...

[@danukepaintball]

@@AV84USA Not seeing where I'm complaining. But if you say so hahahaha

[@OrdinaryDude67]

This is especially interesting when you consider his video comparing multimeters and he basically trashed Klein without even giving them much consideration.

[@EnProto]

I can't express how thankful I am for this channel and it's content. I am starting my apprenticeship in this career in a couple weeks and I am very excited! Wish me luck.

[@maddyolive5985]

How's it going?

[@karlbenedict1281]

One thing that I always do is test my meters before the first use of the day. You don't want to find a problem with a tester by getting lit up. One of those crusty old timers taught me that about 30 years ago. Great video, thanks for posting.

[@ralphnikolaus6858]

I like the NCVT. It is nice to use and although it has limitations, those limitations can be used for your advantage. The one that gets down to 12V is nice, because it can be used to work on irrigation circuits. I was pleased to see you included the 12v option/advantage in your description 😀

[@DJAnthonyAlvarez]

You're my favorite electrician on KZbin bro! Thank you so much

[@shshshs2]

Well it not that hard to be on of the favorite since there aren’t that many electrician KZbinr out there. Let alone American ones

[@DJAnthonyAlvarez]

There's others, but homie is putting great info out! I hear you tho

[@csimet]

I recently upgraded my receptacle (plug) tester to the Klein RT250... its nice to have a slightly more simplified pass/fail set of lights (2 vs. 3, green/red, yet it also shows specific failures if they occur). The GFCI test shows how long it takes to trip (in hundredths of seconds) and may help to identify failing GFCI. It also has a built in voltage test so you can detect voltage drops on excessively long runs. Only downside is it does require batteries. ;)

[@dkfotog]

The RT250 is a great piece of equipment.

[@sylvesterstewart868]

1. Meter must be listed and of appropriate rating. (eg. CAT lll 600V) 2. Inspect and Ohm test leads. 3. Verify operation with a known power source. Plug in circuit analyzers wont detect "bootleg grounds. NCVT "voltage ticks" wont detect voltage if the paper sheath in NM cable (Romex) is wet.

[@edwardmartinez4596]

Walked into Home Depot and was debating to buy a multi meter or tick tracer and the prices were similar $24-$54. Then I saw two books. One said wiring simplified and a book called ugly. Home Depot guy saw me and said those are really good books, probably the best tool you’ll have. Then I thought about your videos and said I don’t know shit about electricity lol so I bought the books and looking forward to reading up on codes and comparing what you say and what the book says. Thanks for the awesome content!

[@DrVaneaton1]

Great story about never trusting if the current is on. "No one is ever shocked buy an un-energized line, and no one is ever shot by an unloaded gun. Always check yourself."

[@aussieboy77]

It's a miracle this guy is still alive.

[@donaldmack2307]

Good comparison to an "unloaded" gun.

[@borys444]

Let’s do a deep dive into one. The last 2 episodes have been so helpful. Great job Brother man love the channel of course.

[@diywiththedoc393]

Was working as a lighting tech on a movie in NYC and was told by a Gaffer that the circuit was off in a major power server in the NYC library. Got quite a shock that day...and my linesman pliers were toast:)

[@louispaquet8185]

Get yourself an electrician safety lock kit, box lock, push-button lock, and breaker lock. I was drilled to use them when I was working in a mine mill, every worker have their lock, electrician or not, if they caught you working on something without a lock you end up sitting on your ass at home for a week without pay. Hey, it's just me saying, you have the freedom to get killed. Just one more tip, you need to be the only one with the key, not even your boss should have the key, they are often the most dangerous when the production is on the line.

[@bobrodarte288]

I was about to work on a circuit and I tested it with my recently acquired Fluke T2 and it tested dead, I didn’t feel right so I grabbed my Wiggie it was live. I carried that Wiggie for 44 years.

[@amb158]

And a good toner! Get one if you don’t have one! They save lots of time and they’re great to use instead of checking continuity on a bunch of boxes and wires if you just need to find where a wire goes. Life saver

[@rudispruell883]

You've probably covered this elsewhere, or someone else has mentioned it. This is what I share with anybody who asks me about troubleshooting, or whatever: Always test the tester! Find a "known-good" and make sure that it reads as it should. Batteries die. Leads get damaged. Any number of thin

[@rudispruell883]

Things happen! Like that up

[@ynotbloom]

Just checking, but….if testing a live/potentially live household outlet with a DMM: if you insert the red probe in the right opening first…….doesn’t that immediately energize the black probe; creating a potential arcing if black touches something? I was always told Black/Left Side first, then Red/Right next; and removing Red, then Black (as to not energize the “yet-unused” probe prematurely,

[@WRWhizard]

As an HVAC tech, my multi-meter is so important I keep a back up in my backpack in case of failure or loss. Tracing voltage, continuity, testing micro amps on flame sense circuits, motor run capacitors, voltage drop across a contactor... I found this video cause I wondered if you had a good tutorial on usage. I want to recommend a good one to some of the younger techs. For example, if your probes are across a switch and it reads voltage. Is the switch open or closed? Amazing how few know the answer. P.S. Customer told me the Condenser circuit was off. I checked and it was live. OH! I turned off the "Compressor" in the garage. Sorry! P.S.P.S. Might want to mention more than once what happens when a switch breaks the neutral rather than the hot. The circuit is off, yes, but not isolated. Twice a newbie working with me cut a wire and it arced, and he was so surprised because the switch was off.

[@ryanparrinello2272]

There's a Klein fox and hound you can get now which has a GFCI tester / outlet tester with it. It's cheap, and great for tracing lines to breaker. Great video! "Digital Circuit Breaker Finder"

[@sregeyvorobey4859]

You are absolutely right saying not listening to anybody a line is OFF. According to my experience too

[@TATTOOFREAK937]

Dustin, you rock my dude. I’ve learned so much from you. You teach in a way that I completely understand. Wish you had been my high school calculus teacher lol.

[@ralphgiampietro85]

How bout doing a vid on circuit breaker tracers for both live and dead circuits

[@cameron3991]

Thank you for your time and knowledge about everything your videos have helped me tremendously with industrial/commercial hvac. I wish I could donate but I have 3 kids and for the time being a Thank you is all I can give. Have a great rest of your week and I just wanted to say thank you again.

[@steve-o6413]

Tracer or locator, anyone who has ever worked in Parking Lot Lighting or any kind of underground electrical. The first one seen but not mentioned looked exactly like the one I used to have. Can give you tone down to eight feet with Blacktop or Concrete on topside a must in underground locating, especially when you think of the cost of excavation. This was over 30years ago I can imagine how much things have improved...

[@adrianinglis5922]

Your best advice is about the tick tracer. It shows when something is almost probably live and not necessarily when power is off. Thanks mate.

[@Harleyforever20]

I bought a package deal from Klein Tools a few years ago to use around the house to help with repairs. It had a basic tic tracer, a digital multimeter, and a outlet gfci tester. The whole package was about $40.00 and I think it was a good value. I have used it several times now and would buy it again if I had to.

[@AleHernandez]

One of the best if not the best electrical equipment tutorial I've seen

[@charlesjohnson6073]

Can you do a video about rms vs true rms multimeters? I think not a lot of beginners know the difference.

[@nicholasfattizzi6168]

For tick tester I highly recommend the santronics 3115 or the amprobe vp440 they are identical just branded different. I've tried every other one on the market and they are all junk. Theese are always on and ready to go and will never give you false readings. They can still be used on a multiwire branch circuit unlike the other beeping toys.

[@boeing757pilot]

Indeed, the Santronics is nice!

[@KerryHallPhD]

As an amateur, I always test with a sniffer or multimeter before I touch wires, but then do a last check of also pressing a screwdriver or knife to short across the wires to verify there's no charge. I've had enough surprises from capacitors and wires in the last 20 years...

[@billmccluskey6294]

Had a boss that told me power was off. Fooled me once. NEVER again !!

[@hxd9321]

I have a feeling he didn’t like you very much

[@jarredallen]

how about a tone tracer? I know its use more in telephone lines but its pretty handy when tracing out outlet branches.

[@gfinnstrom]

i can relate in some ways I was working on a fridge freezer.... I had unplugged the fridge to pull the coils... I left to get a tool so when I came back I reached in and got shocked I found out the former roommates former husband had re-plugged it back in... from that day on I have always put tape around the plug anything you survive is a learning experience

[@Owen_loves_Butters]

Always double and triple check if something is live before you touch it

[@SamuelginTV]

very first day as an apprentice I was doing demo. the older guy swore that the circuit was off and to cut the mc cable to clear the ceiling... I had to buy a new pair of pliers the next day bc mine had a nice big hole in them. nice little first day memorabilia though

[@ProctorsGamble]

What you have there now is an expensive pair of strippers!

[@SamuelginTV]

@@ProctorsGamble might only work on 10awg now lol

[@louispaquet8185]

Get yourself an electrician safety lock kit, box lock, push-button lock, and breaker lock. I was drilled to use them when I was working in a mine mill, every worker have their lock, electrician or not, if they caught you working on something without a lock you end up sitting on your ass at home for a week without pay. Hey, it's just me saying, you have the freedom to get killed. Just one more tip, you need to be the only one with the key, not even your boss should have the key, they are often the most dangerous when the production is on the line.

[@lminterests5590]

You might also do a lockout mechanism to make sure no one turns it on. Or put electrical tape over the switch to remind others to not turn it on

[@rikkert0136]

I'm a dutch distribution/transport electrician. So interresting to see how other country's manage their power. 120 volts on a plug socket is only about half of the voltage we use ( 230/400 volts )

[@JimmyMakingitwork]

I sold my Snap On meter because of a sketchy dealer and went to a Klein 700 series, great meter and 1/5 the price. Highly recommended.

[@Sembazuru]

I got some non contact voltage sensors (what you are calling a tick-tracer) at my job for troubleshooting solenoid valves on environmental chambers. Helps identify if valves not actuating are the fault of the control wiring or the valve mechanicals being stuck.

[@WhatevrNevrmnd]

The tick tracer with the thermometer laser is dope as hell, Klein makes fun shit.

[@jessemaloba7860]

ubaya ya hawa wazungu hawajui kuenda straight to the point

[@TheTubejunky]

Very valuable information letting ppl know to "TEST ALL" and not "Trust ALL" circuits/electricians/70yr_old_breaker_pusher.

[@nics-systems-electric]

Awesome video. I’ve got a Klein receptacle tester that tests GFCI and AFCI.

[@paulb4496]

Good info about tic tracer and safety! I am an instructor for commercial HVAC apprenticeship program, love your videos, well done!

[@Spoonman671]

I really can't imagine not having my volt tick on me ALL the time. Maybe it's not great for a novice, but if you have a decent grasp on how electrical circuits work, you'll know when to trust it and when not to. And it beats using the finger-to-thumb method my grandfather used to use.

[@caitrionadulaney8329]

I like at starting at 9:40 about being careful. Reminds me of the adage, "There are old electricians and there are bold electricians. But there are no old, bold electricians!"

[@petertallowin6406]

UK spark here. Safe isolation. Check tool, verify dead, then check tool again. If you are working on a circuit it is your responsibility to verify dead and lock of as necessary. Do you guys use MFT's?

[@TheCanadianAsian]

Loving the new graphics and gags while keeping it educational!

[@FirstLast-jm4dx]

The outlet testers are handy to have, but the readings threw me off one time. I was originally diagnosing a low voltage issue on a bathroom outlet. The tester says it's wired correctly, but voltage was only around 70V instead of 120V. Took out outlet to check for wear, but everything looks OK. Traced and tested other outlets on the circuit and the outlet tester told me reversed polarity. Pulled all them out, but the wiring is correct. Turned out all those false readings were caused by the flakey reset/test buttons on the GFCI outlet. After replacing that with a new GFCI outlet, all the reverse polarity readings and the low voltage all went away.

[@robertpronovost3839]

Love your use of the word Verify also Invisible but we clearly see it can kill.

[@tulioalopez]

Thanj you for the video. Gave me basic ideas on how to check things at home.

[@janegerrard1073]

It's worth noting before buying there are many types of multimeter aimed at different trades, electronics, HVAC, electrical installer, appliance engineers, automotive, etc.

[@williamhaines7752]

Volt cons are usually the most used next recptace testers Also non contact continuity at ground and neutral is locating the line ie the panel

[@Hulious777]

insulation tester and breaker tracer are other less common ones. Tracer can save a lot of time. Tick tester is always on me at minimum, always double check that it's dead and still treat it like it's hot

[@josephdestaubin7426]

Decades ago, long before country began to fetishize safety, a sparky once told me that the primary reason they usually run with the power on at 120 is so that the apprentices can habituate to practices that will save their lives as they move up to higher voltages. Just curious as to your thoughts on this, particularly as it applies to the challenges of supply and demand in the electrical industry. eg, it seems that there is a significant shortage (pardon the pun) of electricians in the heavy equipment and commercial sectors at least in part because of specialization, but also in part because of the live wire issues involved. As you can tell, I am not an electrician, but a very old general contractor, so don't be too harsh.

[@nuw5396]

Wow Klein got you in their radar. That's amazing. Fantastic content as always.

[@BigmoRivera]

Hey You Need To Make A Video About Safety When Using The Probe Some People Not Aware Of The Contac W/The Probe When In Use Live Plugs Out Let If You Have One Of The Probe In Hot Slot And Removed The Neutral That Tip Will Be Charge⚡️👍🏽

[@googleevil9553]

Kickstand. All these years I wondered what that was for. And a laser on a tick tracer? wow!

[@IIGrayfoxII]

11:35 I agree with this. Where I work we were removing some equipment from a building which needed the power to be shut off, since this was not our building we had to ask the electrician to turn the supply off. Well one of the guys that came to remove the equipment was about to cut the mains cable leading to it. I told him use my multimeter and test to see if it is off. My multimeter showed 240v. I made him realize I was about to be shocked if I cut it. Told him always make sure, by measuring the voltage yourself. I am not an electrician

[@louispaquet8185]

Get yourself an electrician safety lock kit, box lock, push-button lock, and breaker lock. I was drilled to use them when I was working in a mine mill, every worker have their lock, electrician or not, if they caught you working on something without a lock you end up sitting on your ass at home for a week without pay. Hey, it's just me saying, you have the freedom to get killed. Just one more tip, you need to be the only one with the key, not even your boss should have the key, they are often the most dangerous when the production is on the line.

[@IIGrayfoxII]

@@louispaquet8185 I am not an electrician and I can't touch distribution boards

[@lablover3112]

I would use the amp meter when replacing pully belts on electric motors. adjust tension to right amperage for motor

[@LeverPhile]

Don't the pulley belts loosen up with age/use, thus changing the motor amperage?

[@mikejohnson3873]

I had just installed and made up some up lights around a building and the last step was to make up that circuit in the box containing the home run conductors. I was told by my foreman that he had just landed the circuit into the breaker and it is dead. Still, be wanting to be safe, I tested the wires with the multimeter and I'm showing no voltage anywhere. Good, I thought, so I begin to work. Though, still being cautious as I had recently been hit with 120V and was there making up a 277V circuit, I handled the wires as though they are hot. I twisted the hots into a wire nut. I grabbed the neutrals and brought them together into the next wire nut and heard a pop. Huh, that's strange, I thought. I took the wires back out and touched the copper tips together. They popped with little sparks! I was a little taken aback by this. Grabbed the tester and one of the neutral wires was hot with 277 volts! Carefully, I spliced the neutrals together and again, I tested them. Back to zero volts! I went to my boss and let him know that a neutral went hot at 277 volts and that's when I learned about the loaded or open neutral situation. Turns out that the neutral for that circuit was shared by another 277V circuit that was live. I was glad to not have been hit with 277V and was also glad I played it safe and that I got to experience that sort of situation. Even neutrals can shock! That said, the foreman didn't make a mistake. He just simply didn't realize that this particular neutral happened to be shared with another circuit, which was live. The moral: Always test, even if you're pretty sure it's dead. I assumed ONCE that a 120V circuit was dead since there were wires sitting inside an unmade box without wire nuts on them. I grabbed them out of the box and my thumb tip grazed the copper on the hot line. Gave me quite the jump!

[@josephflanagan2527]

A loaded neutral is lights out

[@dawsonwalker8923]

How about a review on Harbor Freights tester line ;)

[@ElectricianU]

hahaha you got it

[@itaintrocketscience]

Klein is the de facto standard in electrical tools. I have the same tracer and I love it too!

[@nexttrucker]

Very good advice… love your attitude making this video 👍🏼👍🏼👍🏼

[@dannydanielpulla1713]

I learn a lot, with these videos, I love being an electrician

[@jopo6388]

I love what you said about electricity being theoretical that we can’t see it we really don’t even know what it really is and it’s really not what we’ve all been taught. Look at the work of theoria apophysis.

[@305liveandlearn]

Man the gfci tester + breaker finder combo has saved me an unfathomable amount of times lol

[@FYMFTP]

I know you cover it pretty well, but I really don't like non-contact voltage testers, ESPECIALLY for new people. Even the good ones are known to not work on occasion, and they can give you a full sense of security. I always suggest using an actual meter to verify if the lines are live.

[@ArkamasRoss]

Something I like about Fluke’s T6 tester is ungrounded Fieldsense is good for quickly getting some neighborhood voltage.

[@UGFUpsn]

I like your way of explaining things it’s so easy to grasp mate

[@dannymeil3294]

Honest information

[@ProctorsGamble]

Do a video on Wiggitron “Wiggie” testers lol. It was the standard when I started. Haven’t seen them at supply houses in years.

[@notsure7874]

​@I'molester Da'chilrin You can still buy them, and they're still useful. They have such low impedance you're not going to be chasing any ghost voltage, that's pretty much a guarantee.

[@notsure7874]

Get you a T+ pro - or even the regular T+, they're awesome. It's like a wiggy and a t5 had a baby :D

[@brianjohns2865]

Glad to see you have a good sponsor. I know the first couple of videos of yours I saw you mentioned your Klein's. Of course being in IT, I first heard of Klein through networking. I was a little confused on why you needed crimpers for installing a light switch. Of course you did correct yourself in one of them and call them linemans pliers.

[@ProctorsGamble]

Lineman’s pliers are called Kleins by the trade. Story has it that a guy broke one side of his pliers and had a blacksmith forge a new half . Later the other half broke. The blacksmith made a new half and thus the first pair of Kleins were made!

[@steve62933]

Very bright young man.Great presentation.

[@IRAKLICHIKHLADZE]

Klein is the best friend of electrician

[@ayyubfaiyaz3368]

Rule in carpentry is measure twice cut once. Always double check for your safety but since you're dealing with electricity check four times

[@michaelmassetti4068]

Ya i got most of them except the am meter. Excellent video... i get a charge out of the way u explain things.....

[@billytrevathan6405]

I love a lot of different tools like Klein and Knipex hand tools, Milwaukee power tools but IMHO, for meters there is Fluke and then there is everything else. I have a Klein meter I got when I needed one in a pinch and it works fine (doesn’t work for DC 😧) but a serious electrician should have a meter he can let his life and livelihood hang upon. My Fluke 1487 is just that.

[@experienceprecision5406]

Wasn't that klien tick tracer recalled? Just wondering thank you

[@markmarkin8478]

Subscribed, thanks for the video

[@ElectricianU]

Thanks for watching!

[@jhwaterf]

That non-contact voltage tester with laser is the NCVT-5A, also available as NCVT5KIT with the RT210 GFCI receptacle tester.

[@jeffkuipers1030]

when adding outlet i always use klein ET300 digital circuit breaker finder.BEST TOOL EVER.

[@Jofish91]

Sick guy. Keep up the good work

[@tonterolol]

New subscriber bro! I work as a service tech and I can learn a lot from you! Thanks!

[@jimmyatxallday9924]

Nice. I need a Multi Meter ASAP. My Wiggy is out of date 😅. Nice Knowledge 👌🏽

[@benzinjg6910]

Just found you from The 360 Electrician channel. You guys should team up!

[@CameraHog22]

Super informative and entertaining, thanks!!

[@meateorman4191]

Just bought my 1st tester. Have no clue how it works. What do all these hieroglyphs mean? I installed the new WFCO power converter in my camper without even using it. The old converter burst into 🔥flames🔥. Hope I hooked it up right.

[@williamwtii]

Thanks!. Great job.

[@mattmccaffrey4299]

This channel is such a valuable resource. You should open up a school Dustin. Or online certificate training.

[@mitchjohnson4714]

I'm not trying do argue. I just want go know. When are tick tracers wrong?

[@sameernelson9684]

Keep kicking ass my guy.

[@abc-pn6yi]

I don't do resi but I've seen guys that do resi only using those 200 amp/600 volt fork test meter.. thats really all a residential electrician should need because the main service panel on a house is at the most 200 amps.. thats around where I live, idk about the rest of the country but 200 amps is high for resi.. and alot of the guys I see now days use the Ideal fork meter or the fluke fork meter.. I have one and I kinda wish I didn't buy it because most the stuff that I work on is bigger that 200 amps and the fork won't fit over the wires.. hell, my 1000 amp/1000 volt clamp meter won't fit on some of the stuff that I work on now days either.. lol gotta get that fluke amp meter that looks like a stethoscope..

[@bigchew3149]

i also have a Klein MM700 as Well as a innova 3320 (l Cheepo30$) Tester an a Dedicated Cap Tester as well as some more very specialized Testers for Various electronics ! I have ben a Repairman Most of my Life & i had a Couple of Flukes & a bunch of others over the years now days i dont work on near as much as i used to mostly family an myself But every one needs at least 1 good multi meter for sure!

[@HVACGUY]

I’d like to know what you really think of Klein meters. I’ve never used one, and I’m reluctant to trust a meter that hasn’t developed a long standing reputation.

[@ryanroberts8135]

Sorry but had to respond, I have been an HVAC tech for 8 years, and Klein is an electrician's company, they primarily make all sorts of electrical tools and test equipment for over 100 years...100 years is "a long standing reputation" of tested and proved track record. Not an electrician but I do electrical testing during my service work, and every electrical supply house I go to has either Klein or FieldPiece in their inventory. Plus Klein makes their meters tech friendly, with magnets on back and built in features other brands may not have. And no, I am not associated with Klein or have any financial interest in the company, I just have bought many different brands including Fluke, and dollar for dollar, feature for feature, they are best maybe UEI comes close in features, but I just like design of Klein better because they also pay attention to design, even with their test leads and other equipment. But by all means, do your own research.

[@esthermcgough3995]

Im just a homeowner trying to learn about electricity and safety . Testing... etc.thanks

[@joshuadakin405]

“This thing is not reliable, you really shouldn’t trust it that much” Klein: dude we’re paying you... “This thing is my favourite! Absolutely great piece of equipment”

[@ProctorsGamble]

As far as a laser pointer he says lol

[@kevinalmeida7159]

if you have a multi meter or any device that uses batteries and you live in a humid environment like a ship yard or east coast use dielectric grease to prevent battery corrosion that ruins your meter

[@seanbouker]

Even if you turned off a circuit or switch; Double check with your equipment... You never know what's back feeding

[@absaw5735]

Thank you for the video, really helpful! Plus you reminded me of Chris Jericho. You have similar voices. 😄