Well, I've found tables and other neat data about dissimilar metals. But nowhere do I find what I need most: How much is too much difference in electromotive force measurements? Is it anything over 1 volt? Thanks in advance. *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * ***************************************************************************