When a facade is placed over a cable it disappears as it should. However in F5 mode some cables are still rendered as shown on the below image.

Version: IntegratedDynamics-1.9.4-0.5.1.jar
Forge version: 12.18.1.2088
Minecraft Version: 1.10.2
Modpack: Avant 3

Thanks for reporting this, I already knew about this issue, but having this here again will put some more pressure on me to finally fix it :-)