How can you reverse the direction of rotation in a split-phase motor?

To reverse the direction of rotation in a split-phase motor, the correct method is to reverse the connections to either winding but not both. In a split-phase motor, there are two windings: the main winding and the auxiliary winding. The phase difference created between these two windings is what determines the direction of rotation.

When the connections of one of the windings are reversed, the phase relationship between the two windings changes. This causes the motor to rotate in the opposite direction. It's essential to only reverse one winding because doing so to both would maintain the original phase relationship, thus keeping the direction of rotation the same.

In contrast, reversing the connections to both windings would effectively neutralize any phase shift, leading to no change in direction. Changing the capacitor type affects the performance and efficiency of the motor but does not influence the direction of rotation directly. Altering the terminal voltage might impact the overall performance of the motor but does not provide a method to change the rotation direction either. Hence, the only effective way to reverse the direction is by adjusting the connections to one of the windings.