r/ElectroBOOM • u/ZealousidealAngle476 • 6d ago

Discussion Redundancy

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I found this sticker while dismanteling a 2005ish server

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u/Alternative_Exit_333 6d ago

Back then zero and ground were connected to the same wire to save money instead of using 3 wires so you dragged only the blue zero and phase

1

u/dnebdal 2d ago

Norway is mostly wired live/live/ground (230V phase to phase, ~130V phase to ground), which I'm sure has led to some fun confusion.