this post was submitted on 05 Jan 2024
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USB Cable check (discuss.tchncs.de)
submitted 10 months ago by exec4@discuss.tchncs.de to c/askelectronics@discuss.tchncs.de
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Hello altogether, I guess everybody has some USB-C cables lying around, but wonder if it's 3A, 5A, 3.0, TB... Anybody able to recomment a device able to determine that? Maybe also something that can be combined with a load tester.

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[โ€“] ColeSloth@discuss.tchncs.de 2 points 10 months ago

This one should have you covered. They're quite nifty. Can do a lot more than what you ask.

USB C Tester,KJ-KayJI 2 in 1 Tester Color Screen IPS Digital Multimeter(2022),Voltage,Cur,Pwr,Resistance,Elec,Temp,Capacity,Tme,Fast Charging,with USB Clip Cable Support PD2.0/PD3.0,QC2.0/QC3.0,BC1.2 https://a.co/d/6RlmtOo

[โ€“] cmnybo@discuss.tchncs.de 2 points 10 months ago

There are simple testers like this. It's rather overpriced for what it is, but it would be trivial to make one yourself. That will only do a continuity check though. If you want to know what the current or speed ratings are, you will need to read the chip in the cable.