I believe there is a property in the big table. If not that then there will be an if statement I would think with all the conductive things in it. I will check in a minute.
EDIT - I am not 100% sure but I think it is the Section part of the giant table. Change that to SC_ELEC and it should work fine.
I would trust ief on this one. I just got it to work but had to add in my element in a ton of places. My suggestion is look for PT_WIRE and wherever you see it with a bunch of other elements that conduct electricity just throw it on the end. Sorry I can't be of more help.