What is a good and safe mod that changes enchanted items from cast to constant effect like in Oblivion and Skyrim?

There is this mod but there is a warning that it may break the game or mess up saves.

http://www.nexusmods.com/morrowind/mods/18982/?tab=2&navtag=http%3A%2F%2Fwww.nexusmods.com%2Fmorrowind%2Fajax%2Fmodfiles%2F%3Fid%3D18982&pUp=1

Also is there an unlimited rings and amulets mod?