Lead (electronics)

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In electronics, a lead is the technical name for an electrical connection, usually a wire, coming from an electronic device and often connecting to another. Leads are used to transfer power, to probe circuits (see multimeter), and to transmit information. The leads coming off through-hole components are often called "pins".

In electronics, the difference in time between two waveforms of the same frequency. One waveform is said to lead another if it precedes it.