The capacitive reactance of a 150uf capacitor across 60hz is around 17 ohms. That will generate a lot of heat in the capacitor, likely causing it to fail over time, not to mention it consuming over 8 watts just in the cap! If you're going to use a capacitor, consider something more along the lines of a 10uf non-polarized cap, it accomplishes the same goal, but it's capacitive reactance is 265 ohms for much lower heat generation and power consumption.
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