Conductor

Conductors are power sources from the Generation 1 continuity family.

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Conductors are glowing rod-shaped power sources used by Transformers.

Fiction

The Transformers cartoon

Wheeljack and Bumblebee stole four conductors from the Decepticons, though Wheeljack believed that they wouldn't last a quartrex. Nonetheless, energy was desperately short on Cybertron, and the pair carried them back to Iacon with all haste, managing to avoid getting offlined by the Decepticon Seekers on the way. More than Meets the Eye, Part 1