Tension Dropper
Tension Dropper
Contact Wire
Contact Wire
25 kv volts
25 kv volts
Pole
Pole, Railway
Railway Transportation
Stay Tube, Bracket Tube, Register Arm, Steady Tube, Insulator, Mast
Line Structure
Feed Wire, Messenger Wire, Contact Wire, Return Wire, Registration Arm, Mast, Third Rail, Send a gift, Fourth Rail (London Underground)