4 Basic Electrical Testers & HOW TO USE THEM

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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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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


peddersoldchap says:

Isn't it 110V in the US? O..o

peddersoldchap says:

I love your European Union logo XD

Mael Beats says:

I love you bro!!!

csimet says:

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. 😉

Otto Roth says:

I never listen to anyone who says …..THE POWER IS OFF! Always double check Line voltage…it's your life, not theirs…..even if I turn off a breaker. I still check for voltage. A friend of mine is a Cardiovascular vascular surgeon and she told me a third of an Amp is lethal! Scary thought ain't it?

Randy Rai says:

You’re just gonna do a lot of plug man 🤣😂😂😂😂😂😂

Ayyub Faiyaz says:

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

Steven mos8541 Anderson says:

DEF. agree about circuits off… Russian proverb Doveryai, no proveryai (Доверяй, но проверяй) 'trust, but verify'.

Tyler Monell says:

I'm curious about the plug tester. I've had several occasions when I've used it that all 3 lights are lit when they are inserted into a plug. More often than not the neutral was burned out at a GFCI receptacle but is that what you should expect if that situation occurs?

Christopher Elliott says:

I'm not a "gun guy" but I imagine blindly trusting someone that a circuit is deas is about as wise as trusting someone that a gun is unloaded. Always personally verify.

Christopher Elliott says:

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.

Logan Stayton says:

Can anyone who works with high voltage speak on the Klein mm700? I'm a commercial HVAC worker, so I'm talking about 208/230, 460, motor starters and things like that.

Sameer Nelson says:

Keep kicking ass my guy.

Benjamin Patterson says:

Long question coming FYI. I have a project with a wire buried in a parking lot. I have with a specific tester found and repaired all the breaks in that wire. I know that there are portions of the wire with insulation damage and I need to find the specific locations of these areas. What do you suggest OBI WAN ?

Benjamin Patterson says:

OH yea he told me he was sorry.

Benjamin Patterson says:

Really good presentation. Remembered that same 70 year old guy that got me shocked cuz I trusted his old ass. LOL

Nate Andrews says:

Tracers are not to be used to check for live wires. That's totally not what it does.

mountaingem6 says:

How do I know which holes IN the multimeter do I plug the black and the red probes in when I'm trying to measure voltage or check if a wire in hot. There are 4 holes in the lower half of the meter? Most YT videos talk about the dial settings not about which plug hole to use.

Richard Tuholsky says:

Let’s go brandon 🍦🍦🍦

mark gil says:

The Klein sucks Ars..I do electrical at the ports from 480v to 24v DC to 12v DC.. the Klein is always off Fluke is better. Facts!!!

John Burgess says:

Don't listen to people who tell you something is off. Just as you wouldn't (I hope) listen to anyone who hands you a gun and says it's not loaded.

Michael Massetti says:

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

Jimmy, Making it work says:

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.

Saturnino Codina says:

Hey bud new subscriber I’ve been in the field for about 8 years now as a hvac technician and electrical tech aswell and maybe in my opinion or experience klein testers are good like the gfi plug and what not but klein multimeters ive just had really bad experiences such as amperage readings jumping up and down and also with voltage readings rather go with fieldpiece and fluke


Yep the powers off 🔥 and then tools melted shocking 🤣

Jimmy Jones says:

Those can…do. those that can't teach…….

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