I'll try that sometime. I'm still not sure it'll help very much because, like most of the breaker boxes I've ever lived with, mine is horribly labeled. I replaced a light switch last week and it took me 7 tries to find the right breaker. I might be surprised, though. If the lights go out in the bathroom and I still hear the noise, it'll tell me that it's not in the bathroom. Although if it is something in the bathroom, I'm not sure what it would be...