Added by the AvP : Humans module is the Wiring Tool. A craftable item that works in tandem with a powered fuse panel to allow power transfer across machinery without cables.
The Wiring Tool first needs to be right-clicked on a non-wired machine, and then right-clicked again on a powered fuse panel. This creates a wireless connection between the both allowing power transfer of FE without any cables.

(Visual Display.)
Wiring Tool Recipe.

Steel Ingot. - Diode. - Copper Ingot.