> Seriously, of course you need to give special consideration > to everything > where such currents flow. Why do you think the soldering is a special > problem, though? Of course assuming that the pins of a > connector that's > made for that current are thick enough to carry it. I am no expert at high currents (I am more into bits and bytes), so don't trust my intuition. My fear was: no matter how wide you make the PCB traces, all the current has to pass through each circle surrounding the connector pin (assuming the connection is a pin), as fars as these circles are not covered by solder (in which case the solder would probably take a large share of the current). When the soldered area is small the smallest such circle is also small. Am I seeing ghosts? Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist