telephone wire vs telegraph wire

telephone wire and telegraph wire both are nouns.

Word	Noun	Adjective	Verb	Adverb
telephone wire	Yes	No	No	No
telegraph wire	Yes	No	No	No

As nouns, telephone wire and telegraph wire are synonyms defined as:

telephone wire and telegraph wire: the wire that carries telegraph and telephone signals

Other synonyms of telephone wire include telegraph line, telephone line.

telephone wire (noun)	telegraph wire (noun)
the wire that carries telegraph and telephone signals	the wire that carries telegraph and telephone signals