Wire rubbing copper blew the fuse

For some technicians this is a hard problem to solve.
But not for you because you are being trained by the master.

Low voltage short troubleshooting Video
https://youtu.be/4ms0E3_x4jo

Troubleshooting Low Voltage Short HVAC Basics Video
https://youtu.be/yr98GmVtQ7I

How to find a low voltage short HVAC Basics/ Process of elimination Video.
https://youtu.be/69m3s2tqSMM

I hope you're having a blessed day and I hope your healthy and you're happy.

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If you want to learn more about relays and transformers check out the video
https://youtu.be/-jA7kyS9EAI

Fieldpiece SC440 True RMS Clamp Meter
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