Possible Clues:

• Conductor contacting a non-metallic part of a circuit
• Conductor when chosen went up
• Conducting point by which electric current enters or leaves
• Put in bar with English? Terminal
• Conductor to choose route, we hear
• Conductor travelled with those chosen
• Conductor’s chosen way to be announced
• Connecting conductor
• Conductor travelled by first-class, not second
• Conductor chosen by staff close to Birtwistle