 Aluminum wiring, it's got higher resistance. It's more malleable. And it's the number one reason that you have house fires. So aluminum wiring combined with Federal Pacific panels, which that's another topic, Federal Pacific, Zinsco panels, you know, these panels are known for not tripping the breakers during an overcurrent. So if you have a short and a circuit and it's supposed to trip the breaker, if you've got those old breaker panels, Zinsco, FPE panels,