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Physical / electrical concepts

label_dangling

ERC error for a label sitting in empty space, not touching any pin or wire. The label isn't connecting anything.

How it looks

Drawing
A LABEL TOUCHING NOTHINGSDApina gap: the label does not reach the wire
The label sits beside the wire, not on its end, so it names nothing.

How it works

  1. A label names a net only where its tip touches a wire or pin.
  2. Placed in empty space, even slightly off, it connects nothing: ERC reports label_dangling.
  3. It is an error, not a warning: the pins meant to share that name are not joined.

Where it fits

Affects labels of every kind; caught by ERC before it reaches the netlist.

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