Really depends on what kind of amperage you want to run through it. A kilowatt at 12V is going to be 85 amps and too hot for something rated for 15 amps. Not

Really depends on what kind of amperage you want to run through it. A kilowatt at 12V is going to be 85 amps and too hot for something rated for 15 amps. Not sure what’s approved for DC use in general. Standards bodies will probably disagree with using something typically used for AC with DC because of the risk of plugging the wrong thing into it.