These are 40W Wagner 795 halogen bulbs used in an automotive light
bar. They failed prematurely. We were very careful installing them
that they were never touched by hand. So I have some questions:
1. Why is it that touching halogen bulbs can decrease their life? This
is a sealed bulb.
2. Should we clean them with 99% isopropyl before installing them?
3. Does anyone have any ideas as to why these failed prematurely?
Thanks, Lenny.