> I am looking for the formulas to generate the graphs > that represent "Current in amperes" vs "Cross section in > square mils" and any others of similar type. > > Does anyone know where I can obtain these formulas ? Why use a formula when the graph itself is available? JoAnn L. Amerson Design Librarian Red Lion Controls, Inc. E-mail: [log in to unmask] Voice: (717) 767-6961 ext 6308