How does a 4 pin RGB connector work without ground?

The question is in title. Why there is no ground pin on the 12V RGB header? The 5V ARG header which uses only 3 pins has a ground.

How does it work without a ground?

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asked Apr 14, 2023 at 10:38

How does a 4 pin RGB connector work without ground

The question is in title. Why there is no ground pin on 12V RGB header? 5V ARG header which uses only 3 pins has a ground.

How does it work without a ground

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