A wirewound rheostat should do the job, you can get these in large wattages. Cheers JJ -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of al smith Sent: Tuesday, 20 January 2004 4:14 AM To: PICLIST@MITVMA.MIT.EDU Subject: [EE]:loading a power supply for testing purposes I have a couple of power supplies that I want to create a test jig for, and to simulate a load. What we are talking about is 40A @2.5V and 10A @1.25V, so putting a resistor(s) out there might not be the best solution. Any ideas? _________________________________________________________________ Let the new MSN Premium Internet Software make the most of your high-speed experience. http://join.msn.com/?pgmarket=en-us&page=byoa/prem&ST=1 -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.