Description of bug:
Galacticraft Sealable Cables ( Copper, Gold, Glass Fibre, ect... ) do not transfer power, the cables will connect, but no power will transfer through the cable.

yeah thats galactric craft. They support that stuff not.
Here is my proof: https://github.com/micdoodle8/Galacticraft/blob/MC1.7/src/main/java/micdoodle8/mods/galacticraft/core/energy/tile/TileBaseUniversalConductor.java#L283

Its asking: Hey are you a IC2Cable if yes: We do not accept energy....