There are many views and opinions concerning installation of projector lamps and specifically touching them when you are installing them. It is important to note that projector lamps are NOT halogen lamps and can be touched in certain places.
Even though it is highly recommended that you do not touch the ARC tube with your fingers at all. The ARC tube is made out of quartz and fingerprints will cause the ARC tube to burn hotter in the spots where it was touched. The higher burning temperature will destabilize the ARC tube and cause it to malfunction.
We recommend that you should NOT touch the inside of the globe or reflector that surrounds the ARC tube. Touching this area will also leads to hot spots being created, which will destabilize your projector lamps performance.
You can however touch the outside of the globe or reflector with little to no damage done to the life or performance of the projector lamp . Make sure that you clean your hands before you handle the outside of the projector lamp. If you have extremely sweaty hands or if you do not wish to handle the lamp we recommend, please wear latex gloves to handle your projector lamp.
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