> You are unable to purchase already-tested wall warts? > > UL will be happy if the UL number is valid. > But be careful, many aren't. > > Jameco sells tested UL-certified wall-warts. > > --Bob The problem is that our customers don't like wall warts, so I'd like to stick it in the box and have a standard AC inlet. From another comment on the thread, it appears UL would still charge us thousands of dollars to look at the power supply because AC is entering our box... Harold -- FCC Rules Updated Daily at http://www.hallikainen.com - Advertising opportunities available! -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist