> You could always use mains voltage feed from a 30ma RCD (residual > current device), also would depend on local electrical rules - in NZ & > Australia 30ma RCD's are the norm That's kind of my thinking. I use an RCD with extension lead outside a lot. I see what I'm wanting to do now as an extension lead that happens to stay out all the time. If I'm super super careful and make it safe and secure, I don't see a problem -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist