@TPT_PL Depending on the TMP of the tesla coil, it will generate different sizes of lightning. Smaller lightning generally is actually cold, so when you power the lines, the cold lightning will cool the lines.

but the object the ligh hits gets heated.  id:2030599

this is the electric heater I invented in my very first published save (laser).  I have used it in my oven and hot plate saves.  I made it free to copy in my electronics save but I have not seen anyone use it so far.  it works really well.