History: High-Voltage Cable Reel
1 revision. Every revision is the complete page as it stood; revert restores an old revision as a new change.
r194007 · current
- Created High-Voltage Cable Reel (part): "A motorized drum on the backup that stores a few hundred meters of medium-voltage trailing cable and pays it out as the machine advances. When it runs empty, a new length of cable is spliced into the tunnel supply."