We have been specialized in Power Cords business for more than 15 years. Our main products are various kinds of Power Cords, also including International Power cord, UL power cord, VDE power cord, American power cord, USA power cord, European power cord, Power cords, Electrical Power cords.
Choosing power card's line width depends on voltaic magnitude.The electricity is bigger power card needs wider vice versa.It deals with PCB board as the same. Besides of electricity,you should thingk over minishing power supply coupling while you are choosing power card.Therefore if condition permits ,choosing a wider one is better. Currently power card's line width is 1mm at least,even though the electricity cross in it is no more than 1 mA.