OK, let’s extrapolate. The Acme fuse is directional. The Acme fuse is a silver-plated stock fuse. Therefore all stock fuses are directional. The reason they’re all directional is the wire element in the stock fuses are directional. Therefore, all fuses, including aftermarket fuses are directional. Finally, gentle readers, 🔜 all wire is directional 🔚 since we just established the wire in all fuses is directional. Any questions?