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DIY & Home Improvement

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intrepidity

(7,907 posts)
Thu Feb 9, 2023, 02:40 PM Feb 2023

Capacitor question [View all]

Trying to replace a capacitor with specs: 20+10uF 300v

But can only find (Amazon) one with 370v, all other specs matching.

This is a dual start capacitor for two 300v motors. Will it burn the motors? Is there a simple modification to reduce the voltage? I'm just learning this stuff, so excuse my ignorance..

ETA: I just asked chatgpt and it said it is fine. Is AI trying to kill me?

ETA2: Uhoh, after grilling it for awhile, now it says this:


Yes, it is both "generally safe" and "potentially dangerous" at the same time. Replacing a 300VAC capacitor with a 370VAC one can be done safely as long as all other specs are the same, but it is important to make sure that the new capacitor is rated for the same voltage as the original one, to avoid any potential damage or fire hazard.

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