United States, California, house is built in the 90s.
I have a ceiling fan that says model number CF101H-60, 1.2A 120W.
I'm planning to replace the wall switch controller, which is a 4-speed slider. The slider sometimes sparks when moved, and can be easily left between positions. I don't like it for obvious reasons. Also two of the 4 speed positions no longer work.
This is the replacement I plan to use, a Lutron fully variable rotary 5A. https://www.lowes.com/pd/Lutron-Rotary-Fully-Variable-5-Amp-White-Rotary-Fan-Control/3189379
The circuit breaker that this circuit is on is marked as 15A. As far as I can tell there are no other major loads on the circuit, and I'm not replacing the actual fan.
Two pictures of the same breaker. The lower one is for this circuit. Neither is very clear, sorry.
The wall position has a box as it should. There is a second, simple, switch in the box which appears to not be connected to anything (no outlets connected to that switch, I checked).
a) Is this an appropriate switch? It's not going to draw 5A, it's just rated for it, right?
b) Given the circuit breaker and the switches, is it possible to accidentally wire it such that it causes a fire? I don't mean wire hot-ground or hot-box, I mean like if the nuts come loose or cut through the wire too much or something.