Snazzy Blaupunkt stereo installed in car, but I find myself plagued by a whine which I am assuming is originating at the alternator. If anyone could explain in simple terms how I might be able to eliminate this noise without too much fuss I would be really grateful! [more inside]
posted by dance on Jun 8, 2008 - 6 answers

I need to add grounding to an outlet. How bad an idea is it to chain the ground to the ground of another outlet that is on a different circuit a few feet up from that one? [more inside]
posted by BrotherCaine on Jul 24, 2007 - 12 answers

Grounding my old Marantz stereo amp in a two-prong outlet? (We're talking American 110v.) [more inside]
posted by electric_counterpoint on Jan 5, 2006 - 8 answers

I use my laptop in conjunction with midi controllers as a live instrument. When running off the battery it sounds great through the PA system, but when I plug in the AC adapter I get a very loud humming sound. Is there any way to get rid of this? [more inside]
posted by monsta coty scott on Jun 16, 2005 - 20 answers

My gear is giving me electric shocks, and I don't know what to do. [more inside] [more inside]
posted by fuzz on Sep 10, 2004 - 16 answers

I have an old house with old wiring in the walls. The question inside is about installing window air conditioners. [more inside]
posted by stupidsexyFlanders on May 16, 2004 - 21 answers