What makes cables (USB, HDMI, etc.) “stay” plugged in to their ports?

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Like, when you plug it in, what makes it “snap” into place and stay there? You’re just sticking an object into a hole, and it’s not like there’s a moving part that locks and unlocks it.

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4 Answers

Anonymous 0 Comments

Friction. All those connectors have metal fingers which spring down and press onto the inner part of the connector.

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