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Appliantology Live Dojo

    

Son of Samurai

Event created by Son of Samurai

Tech Training

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All Appliantology tech members are invited to join in this workshop on all things Appliantological: bidness, customers, tools, troubleshooting, flavorite brewski, whatever. Webcams and microphones are open and live!

This workshop is also a great time for any students at Master Samurai Tech to bring any and all questions about the coursework. We're happy to walk through any concepts you're having trouble with. Think of it like office hours with your teachers. 

If you have a specific appliance problem you'd like us to talk about, post it here! We need a problem statement and a PDF of the tech sheet or schematic so we can all see it on screen share. If you have a PDF that isn't already in the File library here at Appliantology, send it to us by attaching it to the contact form. 

Also, follow this Calendar Event so you'll get notified of new posts here. Look for the "Follow" button either at the top of the topic on desktop or below the topic on mobile.

Who: This workshop is only available to tech members at Appliantology.

When: Saturday, January 6 @10:00 AM Eastern Time.

Where: Online via Zoom

How:

  1. Click here to go to the forum topic with the registration link. If you're interested, register now.
  2. Arrive a couple minutes early to make sure your connection is working.
  3. Set a reminder for yourself for this workshop so you don’t miss it. 

And check out past workshops here: https://appliantology.org/announcement/33-webinar-recordings-index-page/

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igloo

igloo

Posted (edited)

Topic: Understanding voltage ratings

I'm looking for new multi meter leads and probes for my Fluke 116. Would like some thin backprobing ones too for 120VAC. I'm noticing most are rated at 10A or less. Would like to understand what these ratings mean in reality so I can be confident in the safety and accuracy of my testing equipment.

If I'm measuring voltage on a dryer or a range running at 30-40 Amps, what will it do to these probes? I'm assuming it's got something to do with gauge of the wire, and it heating up. I've used regular Fluke probes for that before. Nothing melted. Maybe if they were connected longer? I don't get it. Could it have something to do with accuracy of the reading if the wire is thinner, heats up and creates resistance and gives a false reading? Should I be using higher rated leads for dryers and ovens?

How do DC Amp ratings differ from AC amp ratings in terms of heating up the wire as far as these ratings are concerned? What is the 600V and 1000V rating difference to us when using the leads, when we are measuring mostly up to 240VAC. (except for microwaves and some motors I guess)

Edited by igloo
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