All items are fused at max amperage draw, such as the items in your box. They usually won't draw anywhere near that, and if they did for longer than a few milliseconds, the fuse would open.

18awg is too small for some applications, you're right about that, but not all of them. I should have stated my first post better. Any person attempting to wire thier car should use the suggested sizes for their application and make sure proper fusing is intertwined.

And incase you want to know the results, a large portion of wires coming from the harness in the Falcon are around 18awg