What is the tolerance of a 0Ω resistor?

JLCPCB posted a question to its followers on X: what is the tolerance of a 0Ω resistor? The company’s own parts library lists one as “0Ω ±1%”. One percent of zero is zero, so the spec says nothing useful. JLCPCB asked for wrong answers only. The replies ran where you would expect. One person…

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