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When working on and repairing AC appliances and audio equipment, it often happens that the device under test might have a fault that causes excessive current draw and might trip the breakers or even worse, explode on your workbench.
To prevent this, a current limiter is used with an incandescent light bulb that is then wired in series with the device that we are testing and we want to the current limit.
This way, even in the case of a full-on short circuit, the current will be limited by the bulb and there won't be mishaps other than the bulb lighting up.
Check out the video for a full explanation of how it works and how you can build one for yourself.
Step by step instructions can be found on Instructables:
www.instructables.com/DIm-Bul...
Tools and materials used in the video:
Conversion plug with switch - s.click.aliexpress.com/e/_9QAetj
E27 light socket - s.click.aliexpress.com/e/_ADw4l3
Soldering Rework Station - s.click.aliexpress.com/e/_onZ...
Screwdriver set - s.click.aliexpress.com/e/_AMjsIl
Multimeter - s.click.aliexpress.com/e/_ATaQop
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How to safely test AC electronics with current limiter - Dim Bulb Tester
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30 июн 2024