3 ms·
Not sure how it would work during a blackout, but it sounds like you're listening to a mains hum. http://en.wikipedia.org/wiki/Mains_hum http://en.wikipedia.org
by justtoreplyto 12y ago
Not sure how it would work during a blackout, but it sounds like you're listening to a mains hum. http://en.wikipedia.org/wiki/Mains_hum http://en.wikipedia.org/wiki/Mains_hum
- simcop2387 12y agoDepending on the blackout cause there could still be live powerlines nearby. If a local transformer blew then the lines feeding it would likely still be live until they shut them off to replace the transformer.