dissimilar metal corrosion http://www.google.com/search?hl=en&q=dissimilar+metal+corrosion
~ ~The aluminum (?) ones 'rot', in that with time some kind of corrosion ~or mechanical failure causes them to crystallize and get flakey. It ~is the main reason behind the "replace all the fuses" mantra. ~The brass ones last longer without trouble, that's all. ~ ~-- Jim ~ ~ -- Luther KB5QHU Alma, Ark '83 300SD (230,xxx kmi) '82 300CD (158,222 kmi) '90 300E & '82 300D (parts or run?)