Electrical engineering / voltage regulatorfilter: I'm searching for manufacturer or vendor sources on high quality, 220V to 240V automatic voltage regulators. This is for use with telecommunications/GSM/ISP equipment in the third world. Any other advice related to the subject will also be greatly appreciated. [more inside]
posted by thewalrus on Oct 10, 2008 - 1 answer

What electrical misconfiguration would cause there to be enough current to give a mild shock when the screws going into a switch plate are touched -- yet not enough of a problem to pop the circuit breaker? [more inside]
posted by tinkertown on May 14, 2008 - 7 answers

Basic Electronics Repair Filter: I recently purchased a used Korg ES-1 and after a few months the power started to randomly cut out... turns out the power pin on the mainboard has come loose. [more inside]
posted by Espoo2 on Feb 27, 2008 - 5 answers

My wife and I recently rented a house in the Phinney Ridge area of Seattle. When renting I saw that all of the outlets were 3 prong outlets and that there was a breaker box and not a fuse box, so I assumed it was all wired correctly. Now that we've moved in, I've found that 6 of the 10 outlets are coming up as "open ground" when using a grounding tester. [more inside]
posted by freshgroundpepper on Jul 4, 2005 - 13 answers