Links to both weapons in case its needed:
Fulminator just states Lightning damage has a chance, and doesn't specify a source. Also, would items that boost lightning skill damage affect either of these procs? I think most people will probably get where I'm going with this at this point lol.
EDIT: After looking through the item database a bit more, would using this:
http://us.battle.net/d3/en/item/wyrdward also work with the above named weapons? More specifically would all the possible area lightning damage caused by the above weapons all have a chance to stun thanks to this ring?