All coils excluding fusion are shown here, including those from Gregicality.
JEI Crafting Menu
GT5 Style Ingots
Fusion Reactor Casings have connected textures.
Here is an example of the machine and cable textures.
Read the customization instructions included with the resourcepack folder for details.
EBF and Vacuum Freezer pictured with LuV Naquadah Reactors and transformers.
JEI Machine Menu