They are used for carrying electric currents (5)
I believe the answer is:
wires
(Other definitions for wires that I've seen before include "Cables; telegrams" , "Metal threads" , "Metal strands" .)
I've seen this clue in The Irish Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.