I'm in the process of sourcing some custom cables from overseas (or domestically, if I could only find a supplier which could provide me them at a reasonable price)..... Often I'm getting quotes which specify jacket, isulation, injection, etc. plastics. With descriptions like PVC, PU, TPE, PP, etc. All of which I can usually google to get a name. What I haven't found is a good materials reference discussing things like temperature and flexibility which covers more than a couple (few) cable types. Then there are all the UL numbers which apparently specify certain characteristics, etc. Which makes it difficult to ensure I'm getting a cable which is flexible in cold weather, flexible, and so on. So, is there a cable materials reference out there somewhere which discusses the materials available and compares the pluses and minuses of each material? -forrest -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist