Quote: Originally Posted by qusp /img/forum/go_quote.gif I think the makers of cat5 solid core networking cable might disagree here and skin effect is much more of a problem at high frequency. higher priced networking cable that doesnt have to be moved around a lot is often solid. Solid network cable is used when possible because it is CHEAPER and THINNER. Nothing at all to do with its ability to transfer data better or more reliable. Price and size are the key factors. With networking cables you may not think there is much difference in the size between the two but when you end up with a bundle of 100 or more it adds up. Will just ignore the arcing comment.