dewiring

Verb

dewire (third-person singular simple present dewires, present participle dewiring, simple past and past participle dewired)

1. (intransitive, usually, tram or trolleybus) for the pantograph or trolley pole, etc to become unintentionally detached from or entangled with the overhead lines such that the power to the vehicle is lost.
2. To remove wires from something; to dismantle a system of overhead lines.