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I purchased a rod potentiometer and was surprised to see it came with a 4th wire. The manufacturer said it was a ground, though the wiring diagram didn’t even mention it.

What’s the purpose of a separate ground wire?

I’m intending to have the potentiometer referenced to my ground plane and 3.3v3 V. I assume I should just tie the extra ground to my ground plane too.

enter image description here

I purchased a rod potentiometer and was surprised to see it came with a 4th wire. The manufacturer said it was a ground, though the wiring diagram didn’t even mention it.

What’s the purpose of a separate ground wire?

I’m intending to have the potentiometer referenced to my ground plane and 3.3v. I assume I should just tie the extra ground to my ground plane too.

enter image description here

I purchased a rod potentiometer and was surprised to see it came with a 4th wire. The manufacturer said it was a ground, though the wiring diagram didn’t even mention it.

What’s the purpose of a separate ground wire?

I’m intending to have the potentiometer referenced to my ground plane and 3.3 V. I assume I should just tie the extra ground to my ground plane too.

enter image description here

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Purpose of potentiometer ground wire

I purchased a rod potentiometer and was surprised to see it came with a 4th wire. The manufacturer said it was a ground, though the wiring diagram didn’t even mention it.

What’s the purpose of a separate ground wire?

I’m intending to have the potentiometer referenced to my ground plane and 3.3v. I assume I should just tie the extra ground to my ground plane too.

enter image description here