Do 2 or 4 bulbs in a regulation exit sign light up automatically? Ie, are the two outer small bulbs automatic and the two inner 120V/4W jobs there as backup? I'm not an electrician and retailers don't have much (anything) in the way of repair guides..only product order forms. [more inside]
posted by JaiMahodara on Aug 13, 2009 - 1 answer

My cooktop is shocking me. What's wrong? [more inside]
posted by condour75 on Aug 6, 2008 - 4 answers

Help me diagnose repeated failure of my lighting dimmers. [more inside]
posted by jon1270 on Jun 26, 2008 - 20 answers

How do I test a Hunter attic fan controller? I want to be thorough before I climb in the attic. [more inside]
posted by notsnot on May 20, 2008 - 6 answers

2 outlets & a ceiling light stopped working at the same time. None of the circuit breakers were flipped. What would cause this, and how can I troubleshoot it? [more inside]
posted by designbot on Aug 30, 2007 - 15 answers

I have a ten-year-old Sony TV that's on the fritz. It's a good enough second set that I'd like to save it if possible, but it's also big enough that it's going to be a pain to haul in to the shop for an estimate. If I decide to pop the case and dive inside for a quick sanity check, what do I need to do to avoid electrocuting myself in the process? [more inside]
posted by Lazlo on Mar 15, 2007 - 16 answers

My garbage disposal trips the nearby GFCI circuit every time I use it. What can I do? [more inside]
posted by MrMoonPie on Feb 25, 2006 - 10 answers

How do I fix a light fixture which causes a bulb to blow out, but only after a month or so? [more inside]
posted by mono blanco on Aug 25, 2005 - 6 answers