power cord directionality


IF power cords do indeed have preferred directionality, and one is inadvertently flipped for a few hours, does it "harm"it?
128x128jw944ts
Perhaps I was less than clear. This is umbilical cord btwn power supply and preamp. Carries DC I’m pretty sure. Neutrik
male and female ends. Was assembled backwards
Power cords and fuses and any cables, even digital cables and HDMI cables, are directional in DC and AC circuits. Everybody is on board the DC train. It’s the AC train πŸš‚ that gives audiophiles a case of the πŸ‘ It’s because of the inherent directionality of wire. πŸ”œ