22 posts tagged with grounding.
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Wired Apple Keyboard Keeps Shocking Me -- Help!

My wired Apple Keyboard keeps shocking me whenever I depress a key for too long (aka any time I type) to the point that I have little sore spots on all my fingertips. The shocks are strong enough that I can hear them through my headphones as soon as the arc makes contact with my fingers. What is going on, and why isn't the issue resolved by grounding myself? [more inside]
posted by Hermione Granger on Sep 3, 2016 - 38 answers


I'm moving into a new apartment and about to start graduate studies, after many (many) moves. How can I cultivate a sense of stability and warmth in my new home? How do I "nest" in a more meaningful, emotional sense? [more inside]
posted by elephantsvanish on Jun 9, 2016 - 18 answers

Using 2 prong outlets safely in a 3 prong world?

I'm moving into a house that is almost entirely 2 prongs. Sure there are 3->2 prong adapters. But is there a safer way to use these outlets without tearing up the walls? Are there any relevant safety gadgets out there?
posted by Mushroom12345 on Aug 4, 2015 - 18 answers

Please tell me if this is a bad idea

I am planning to use a power plug adapter along with a power strip over a long period. Is this advisable, and what should I know? (Chinese/Australian grounded Type I plug and grounded European Type F socket) [more inside]
posted by Aiwen on Apr 16, 2015 - 3 answers

MeFi Mechanics--Older Car Issue

My wife and I have a rather old Lexus with low miles. On each of the last two times we took it out, the car shuddered a couple of times (like driving over a bump) and then lost all engine power, conking out in the middle of the road. There was no sound involved--just that little shudder, and then no power. Each time, we had to push it to the shoulder. Each time, the car would start up again with no problem--but would not stay on. Some more details inside--any ideas what's up? [more inside]
posted by Admiral Haddock on Mar 4, 2014 - 12 answers

Grounding plug for laptop charger came out, how to charge my laptop?

I was using a replacement adapter with my laptop, but the grounding plug came out of the adapter and was stuck in a wall socket tonight. Is it safe to use this adapter for a few days while I wait for a new replacement adapter, or should wait to charge my laptop util the adapter comes? [more inside]
posted by filthy light thief on Nov 5, 2013 - 8 answers

Help me find this article about household AC power.

I once read a great article explaining why we use polarized plugs, grounding, and GFCI outlets in household AC circuits. It was written from the perspective of an electric company whose customers keep getting electrocuted by their appliances. The company introduces the safety measures one by one and the article explains how people still get shocked. It might even have been a comment on Metafilter; I'm not sure. Where can I find it?
posted by scose on Jul 7, 2013 - 1 answer

Safety precautions for removing a stuck ground pin?

Safety precautions for removing a stuck ground pin? [more inside]
posted by equalpants on Oct 22, 2012 - 8 answers

How to ground my home electrical in accordance with code?

Help me understand the national electric code with regard to rewiring and updating several rooms in my 1940s-era house. [more inside]
posted by JohnFredra on Dec 6, 2011 - 8 answers

Grounded by faith

How the heck is this outlet 'grounded'? [more inside]
posted by zvs on Oct 26, 2011 - 20 answers

Can anyone identify this grounding hum problem?

I'm having (sort of) intermittent grounding-hum type problems with a set of powered speakers and need some advice. [more inside]
posted by opsin on Jul 15, 2010 - 6 answers

Couple of car troubleshooting questions anyone?

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

Help me kill the hum

MusicGearFilter: I've got a hum in my recording/performance setup. I think I know how it's getting in -- a balanced mic cable going into a piece of gear with an unbalanced jack. How do I fix it? Full details within. [more inside]
posted by Artifice_Eternity on Jan 15, 2008 - 6 answers

Lighting arrestor to dampen the ground voltage differential

Using a lighting arrestor to dampen the ground voltage differential between two building. [more inside]
posted by jumpsuit_boy on Dec 26, 2007 - 6 answers

Help keep my computer from frying.

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

Getting rid of the phone buzz?

My phone has a loud buzzing noise. When I touch the screw on a lightswitch plate, sink faucet or a metal lamp, the buzzing stops. What is happening – and more importantly how can I use the phone without having to ground myself? [more inside]
posted by kamelhoecker on Apr 12, 2007 - 4 answers

Grounding appliances in a 2-prong apartment?

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

Starting Tai-Chi or Yoga in Los Angeles

I want to learn Tai-Chi or Yoga in Los Angeles. Where's a good place to do that? (For those outside of L.A., what are good things to look for when finding a place to start Yoga or Tai Chi? How often should one go when starting out? What else should I know?) [more inside]
posted by anonymoose on Dec 7, 2005 - 9 answers

Laptop Audio Hum

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

How can I ground my computer and audio setup?

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

Installing window air conditioners

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

How to properly ground computer equipment when I only have 2-prong outlets?

Is there any way to properly ground computer equipment when there isn't a ground available from the plug? (more) [more inside]
posted by theNonsuch on Jan 5, 2004 - 10 answers

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