The retail packaging doesn't say anything about which one it is. I bought styles 1 and 3 from Home Depot and Lowes, but I needed Style 2 for my application.They may all look similar, take 4 connections, and have the same wire labeling(L,1,2,3), but they vary in the switch behavior. There are several different switch styles.When the switch uses more than one capacitor, those selections are in parallel but still in series with the blue one that goes to the aux winding.The speed switch chooses which of the other capacitors to include in series with the blue one to the aux and which ones are added in parallel to the run winding.The highest speed is the one that does not include any other capacitors, so in this case the highest speed is achieved with the 3uF of the blue wire alone.One of the 3 capacitors (blue 3uF in this case) is always in circuit to the aux winding.Higher capacitance on the aux does seem to mean higher fan speed.I'm nearing the end of a ceiling fan capacitor rabbit hole, and this post was very helpful to me, but there are some details that I think future readers may benefit from. Should the correct wiring be as following? ![]() Since this will connect the line & 6♟ on high speed setting, and line, black and 3.5♟ on medium speed setting, the black and yellow wires appear to be swapped.
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