Does anyone out there use a low voltage Halogen track lighting system in their gallery? If so, do the transformers produce a distractive noise? Thanks for any input, Jerry Fahey Exhibits Designer University Museum Southern Illinois University at Edwardsville USA ========================================================= Important Subscriber Information: The Museum-L FAQ file is located at http://www.finalchapter.com/museum-l-faq/ . You may obtain detailed information about the listserv commands by sending a one line e-mail message to [log in to unmask] . The body of the message should read "help" (without the quotes). If you decide to leave Museum-L, please send a one line e-mail message to [log in to unmask] . The body of the message should read "Signoff Museum-L" (without the quotes).