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I have some devices whose DC adapter connector/jack is only partially plugged in.

For example, my monitor has an AC to 180 W DC power supply. When connecting the transformer to the monitor, the DC adapter connector/jack is not fully inside the monitor.

Is this faulty product or is it okay that part of the power jack is outside the device?

Image about the part that sticking out

1 Answers1

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That's fine, and within normal tolerances. Some sockets will be deeper than others, so cable manufacturers leave themselves a bit of extra length on the plug to ensure maximum compatibility. There aren't many connections that are gapless. Just look at a HDMI cable, USB cable, RCA cable... they all have a small gap where you can see the connector housing.

The are some exceptions of course, such as high voltage (mains) plugs & sockets, or items which need to be concerned with dust and water ingress.