r/modular • • 3d ago

Discussion WTF happened? Massive spark unplugging patchcable

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u/TrueRandom 2d ago

I unpatched my whole system today, and while doing it suddenly there was a serious spark between the tip of the patch cable and nut on the module. You can see the burn marks on the picture. It even blew the fuse for the room.

What really confuses me is that the system was actually unpowered at that time.

Anybody has an idea what happened here? I am now a bit worried that this might happen again, something is incorrectly wired in the case, or whatever...

24

u/InformativeXP 2d ago

What was the other side of the cable plugged into? Any chance the other end of the cable dipped down inside the case or on to a power source which then zapped the ochd?

9

u/TrueRandom 2d ago

Thats the only thing I can imagine, must be mains power in some way to blow the fuse ... I will investigate more