lead-in vs conducting wire

lead-in and conducting wire both are nouns.

Word	Noun	Adjective	Verb	Adverb
lead-in	Yes	No	No	No
conducting wire	Yes	No	No	No

As nouns, conducting wire is a hypernym of lead-in; that is, conducting wire is a word with a broader meaning than lead-in:

lead-in: wire connecting an antenna to a receiver or a transmitter to a transmission line
conducting wire: a metal conductor that carries electricity over a distance

Other hypernyms of lead-in include wire.

lead-in (noun)	conducting wire (noun)
wire connecting an antenna to a receiver or a transmitter to a transmission line	a metal conductor that carries electricity over a distance
the introductory section of a story