AC specifications are usually in RMS equivalent voltage so 1A 10V AC is same power as 1A 10V DC. This makes the peak difference larger, not smaller. AC is easi

AC specifications are usually in RMS equivalent voltage so 1A 10V AC is same power as 1A 10V DC. This makes the peak difference larger, not smaller. AC is easier to extinguish (0A current 100 times / s), and I believe the reversible direction makes for better electroplating characteristics.