Switching device (5)
I believe the answer is:
relay
(Other definitions for relay that I've seen before include "Pass on - put down again" , "track event" , "Receive and pass on - race" , "Broadcast" , "article in bank" .)
I believe the answer is:
relay
(Other definitions for relay that I've seen before include "Pass on - put down again" , "track event" , "Receive and pass on - race" , "Broadcast" , "article in bank" .)