Failed Powerline Voltage Test, blown fuse, fried powerstrip [solved]

Trio9436 · 1710

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Offline Trio9436

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on: May 10, 2023, 02:49:15 PM
Hi all,

I have competed "Assembly Part Three — Wiring the Amplifier" and attempted to measure the voltage at the IEC inlet. Stupidly I had a powerstrip connected when I plugged in the cord, and it sparked when I did so, killing the powerstrip. The fuse was also blown, and I did not get a chance to look at the DMM to see if it measured anything.

I am attaching a picture of the DMM setting I used. I picked the fused 10 amp setting, thinking it was the right one, but now I'm wondering if that caused my problem. There are only a few connections made so far, and I'm fairly confident they're correct. I'm attaching pictures of the build, blown fuse, and replacement fuse I bought.

I'd love it if someone could confirm the replacement fuses I bought will work, see if my connections all look good, and if I should use right-most connection on the DMM for the red lead.

Thanks!
« Last Edit: May 10, 2023, 08:40:58 PM by Trio9436 »


Offline Trio9436

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Reply #1 on: May 10, 2023, 02:52:32 PM
More pics


Offline Trio9436

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Reply #2 on: May 10, 2023, 02:55:06 PM
More pics


Offline Thermioniclife

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Reply #3 on: May 10, 2023, 04:23:32 PM
It appears that the red lead is in the amps position, it should be placed into the volt/ ohm/ capacitor position.
In the amps position it will be a direct short which would low the fuse in the amp and possibly trip the circuit breaker on the power strip.

Lee R.

Offline Trio9436

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Reply #4 on: May 10, 2023, 08:40:43 PM
That was indeed it! Thanks for the confirmation.


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