By AC to DC wires, are you referring to your typical laptop power cord? IE, copper from the wall to the transformer/DC converter, then copper to the power suppl

By AC to DC wires, are you referring to your typical laptop power cord? IE, copper from the wall to the transformer/DC converter, then copper to the power supply of the laptop? I remember having an labouring job installing power supply cable underground. It was all aluminium, and you rolled it off a giant spool because you could barely bend it.