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420 posts tagged with electricity.
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Appliance Clock Anomaly

Why would three digital clocks lose time at exactly the same pace? [more inside]
posted by Mr. Yuck on Oct 29, 2010 - 10 answers

Did you find "Time-of-use" metering helpful?

Looking for anecdotal data: when you switched to a time-of-use electrical meter for your residence, what happened to your bills in the first year, and what changes did you make that seemed to have the largest impact? [more inside]
posted by davejay on Oct 25, 2010 - 1 answer

*ZAP*

I just bought a Gardner Bender GET-3213 Voltage Tester. It doesn't seem to work...what am I doing wrong? [more inside]
posted by randomstriker on Oct 20, 2010 - 11 answers

buzz headache

Looking for a pair of speakers for a classroom with lousy electric lines. The circuit has a dimmer, florescent lights that cause all types of buzzing through our current speakers. Our current speakers have noise reduction circuitry, but it shuts off after a few minutes after the sound stops, leaving a buzz.
posted by parallax7d on Oct 7, 2010 - 3 answers

Advice on making a simple wind-powered generator in a high-school.

Advice on making a simple wind-powered generator with high-school students. [more inside]
posted by a womble is an active kind of sloth on Oct 6, 2010 - 14 answers

An on-again, off-again model train?

Is there a simple way to put an electrical outlet on a "two minutes on, five minutes off" duty cycle? [more inside]
posted by TPIRman on Oct 4, 2010 - 7 answers

Electricity, how does it work?

What are the potential risks of leaving things plugged in on one end (to an outlet, to a computer) and free on the other end? [more inside]
posted by neuromodulator on Sep 26, 2010 - 8 answers

New power cord not exactly what I expected, should I return it?

My laptop power cord's ground prong (the third prong) broke off, and it stopped working in most wall plugs. I ordered a new one and when it came, it didn't have a third prong, but it works fine. Why is that? And more importantly, is there some future situation where I'm going to regret not replacing the old one with a new, three-prong plug? [more inside]
posted by malapropist on Sep 20, 2010 - 4 answers

Help Me Get My Electrical Use Under 200 kWh per Month.

I need real energy saving advice, not that wimpy "use a power strip" and "replace light bulbs with CFLs" stuff. [more inside]
posted by Leta on Sep 15, 2010 - 37 answers

The Best Little Electric Company in Texas?

Help my sister choose a Retail Electric Provider in Arlington, Texas! [more inside]
posted by blue grama on Sep 14, 2010 - 3 answers

Ambien for my computer?

After a move, our computer (an older aOpen desktop) can't sleep through the night. It's fine if we leave it powered on, but if we put it to sleep, it seems to lose power sometime in the night and does not wake up properly in the morning. Will a cheap UPS (this one, for example) solve the problem? Any other ideas?
posted by Xalf on Sep 12, 2010 - 19 answers

New Nervous Tick

Four days ago there was a storm. Standing ankle deep in water which had flooded up to my front door step, I stuck my metal key into my apparently 100% metal door and ended up sort of electrocuting myself, feeling a tingle and shock going up my arm. Since then I've had this weird tingling sensation in my right hand and arm up to my elbow... just now I tried to hold up a can of soda my fingers and hand tremble. Now what? [more inside]
posted by peachtree on Sep 4, 2010 - 7 answers

Is my bathroom light fixture arcing?

Our overhead bathroom light fixture flooded from above earlier. The water's been dumped out, and the leak in the bathroom above ours has supposedly been fixed. But now I'm hearing this sound... [more inside]
posted by limeonaire on Sep 3, 2010 - 8 answers

What's with my oven?

Help. My electric oven just went crazy! [more inside]
posted by Wordwoman on Aug 21, 2010 - 6 answers

Rewiring a warehouse lamp

How to rewire a warehouse lamp? [more inside]
posted by Sreiny on Aug 21, 2010 - 7 answers

Cycling music playlist

Music-playlist-filter. An attempt at the world 24 hour record for producing electricity by cycling needs a soundtrack. Can you suggest some appropriate music? I'm thinking cycling, electricity, endurance would all be good themes, but any other related themes would be welcomed too.
posted by Jakey on Aug 20, 2010 - 21 answers

How can I argue down an aberrantly high electrical bill?

Is it possible to get an electrical company to reduce an aberrantly high bill? Bonus complication: it was my final bill, so I no longer live in their service area and I no longer have access to the apartment in question. [more inside]
posted by Johnny Assay on Aug 17, 2010 - 13 answers

[How] Can I safely repair the nick in this electric cord?

[How] Can I safely repair the nick in this electric cord? Is there anything I can use besides electrical tape? [more inside]
posted by needs more cowbell on Aug 11, 2010 - 18 answers

We are sure you will be pleased with this agreement.

What is a fair way to estimate, over an entire year, the proportion of an electrical bill that is being used for electrical heating? (Previously) [more inside]
posted by porpoise on Jul 6, 2010 - 8 answers

Bathroom GFCI wiring

Our bathroom has a GFCI combo switch/socket where the switch is hooked up to the bathroom fan/light. It's wired downstream of another switch controlling the vanity fixture, and set up so that the socket is only hot when the switch is on. This makes it suboptimal for, say, charging an electric razor or toothbrush overnight, because that means leaving the fan on. What's the best way to change this? [more inside]
posted by holgate on Jul 3, 2010 - 7 answers

Tired of getting static shocks

It's one of those either-or situations: either you help me stop getting/giving static electricity shocks or my wife will divorce me. [more inside]
posted by dcrocha on Jul 2, 2010 - 29 answers

The wiring in this house is shocking!

Please recommend an electrician in the Chapel Hill/Triangle area that you know is good and can perform a house inspection. [more inside]
posted by corn_bread on Jun 30, 2010 - 0 answers

Travel Power Strip

Where can I find a compact power strip (that I can travel with) - kind of like the USB octupus but for electricity. I always run into trouble sharing power outlets at airports etc. I'm living in Europe.
posted by mathiu on Jun 27, 2010 - 7 answers

Where are cool places to have electricity in a house?

Building a house, we're meeting with the electrician tomorrow to talk about where to put outlets/wire runs. I'm looking for interesting places that we may want to put wiring. [more inside]
posted by cmm on Jun 21, 2010 - 43 answers

We don't need no water!

I'm going to be out of town for three weeks. Is it safe for me to turn off the water heater in my high rise apartment? Each unit has its own and I'd like to save water while I'm gone.
posted by Aanidaani on Jun 11, 2010 - 18 answers

Air Conditioners and Power

ElectricityFilter: How many A\C units can I plug in? [more inside]
posted by jeffamaphone on Jun 5, 2010 - 26 answers

How do I buy a generator for my house?

Help me buy a generator! Degree of difficulty: 5-ton AC. [more inside]
posted by neilkod on May 27, 2010 - 9 answers

Help me measue current.

Can I install an amp meter in the positive side of a circuit? [more inside]
posted by Climber on May 26, 2010 - 7 answers

electrical energy from your car

How can you run a large appliance (e.g. a washing machine machine) off of a running automobile? What's the best way to convert the huge amount of power generated by the car into 110V A.C. at a high wattage? [more inside]
posted by grizzled on May 23, 2010 - 5 answers

A few volts here, a few amps there, and before you know it there might be nothing left!

Does leaving my phone's car charger plugged in to the car at all times significantly drain my car's battery? [more inside]
posted by Vorteks on May 20, 2010 - 22 answers

...and then we'll take it higher.

Why do I feel electric currents? [more inside]
posted by kaseijin on May 17, 2010 - 22 answers

Wiring multiple quartz clocks together?

I'm an artist trying to wire 30 quartz clock mechanisms together so that they run off a single power strip. They each originally take 1 AA battery. I'm having trouble getting it to work. It's important that the clocks start simultaneously because the piece involves precisely planned movement. [more inside]
posted by davidriley on May 5, 2010 - 18 answers

Monitoring electricity usage

What are the options for monitoring our household electricity usage using Google's PowerMeter service? [more inside]
posted by SueDenim on May 1, 2010 - 2 answers

Advice on DIY electrical work

How to route electrical cable around a pipe, a question about a floor box for an electrical outlet in a kitchen, and a good book for general home electrical work? [more inside]
posted by Blazecock Pileon on Apr 21, 2010 - 7 answers

Lights off. Heater on. What?

Why does turning off my lights sometimes cause my heater to turn on? [more inside]
posted by 0xFCAF on Apr 6, 2010 - 10 answers

I am doing European electric in America! Or am I?

I am trying to install a lighting fixture. It is 240v. I am in America. And also what is this electrical wiring weirdness coming from my ceiling that I am hooking it up to? [more inside]
posted by RJ Reynolds on Mar 31, 2010 - 15 answers

Bulbs burn out

Why do my lightbulbs burn out so fast?! [more inside]
posted by malhouse on Mar 29, 2010 - 15 answers

Just how dangerous is the interaction between leaking water and my ceiling light?

Water leaking from an upstairs apartment seems to be short-circuiting a ceiling light. How dangerous and how urgent is this problem? [more inside]
posted by sueinnyc on Mar 20, 2010 - 13 answers

My office needs a computer in it

If I run an extension cord or long power strip under my steam radiator, will something bad happen? [more inside]
posted by doift on Mar 16, 2010 - 14 answers

The little PA system that could, I hope.

Will I blow up my PA system? A question of ohms, watts, speakers, amps and the love affair that almost tore them all apart. [more inside]
posted by otolith on Mar 13, 2010 - 12 answers

Tim Allen lied to me.. I need less power

Trying to figure out just how out-of-whack my Northern VA power bills are. [more inside]
posted by FatherDagon on Mar 11, 2010 - 13 answers

Current used by florescent lighting at start-up?

I want to add some more florescent shop lights in my basement but I have a question about how many I can safely add. [more inside]
posted by bondcliff on Mar 11, 2010 - 7 answers

When did lightbulbs and toilets become a fact of life?

When did electricity and indoor plumbing first become widespread and commonplace in even the poorest urban first world homes, in the same way that owning a television is unremarkable now? (Obviously rural communities took longer to acquire utilities.)
posted by desjardins on Feb 17, 2010 - 10 answers

Help me not be the annoying new roommate who killed the house.

I am not an electrician. But I'm poor, and I'm not an idiot. Unfortunately, I think I did something stupid when wiring a new wall plug; I accidentally touched two wires together, and now the electricity is off in two rooms. More electrically savvy people: can you help me? [more inside]
posted by koeselitz on Feb 15, 2010 - 34 answers

Which uses more power: Disney or Las Vegas?

Which uses more electrical power: All of the hotels and attractions on the Las Vegas strip, or all of the hotels and attractions within Walt Disney World in Florida? [more inside]
posted by Mwongozi on Feb 13, 2010 - 9 answers

Ways to save

I'm trying to save money on monthly bills. I recently read that "40% of all electricity used to power home electronics is consumed while the products are turned off." Is this accurate? If so, what devices or ideas are there to conveniently "unplug" things (whose plugs often have 3 prongs). Related tips for stopping money leaks like this are welcome. [more inside]
posted by cashman on Feb 12, 2010 - 26 answers

Help me be cheap and assuage my ecoapocalyptic depression.

I want to make my apartment more energy efficient. I don't have any control over how much heat I get, so I'm most concerned with a) making sure as little heat is escaping through the windows as possible and b) reducing the amount of electricity I use. [more inside]
posted by ocherdraco on Feb 3, 2010 - 17 answers

help me understand three phase electricity

So the place I work is about to grow and needs more power in the building for more people and a very large serverfarm upgrade. I am a bit unclear on a few topics, mainly related to three phase vs single phase power. [more inside]
posted by anonymous on Jan 17, 2010 - 7 answers

What would be a good battery to use for renewable energy generation?

What would be a good battery to use for renewable energy generation? If the anual average wind speed of an off-grid house was 6 m/s and had a roof at 30 degrees due south (for the use of solar PV). What kind of battery would you suggest I purchase so that it can be used for a turn key system and last for up to 3 days using wind power and solar PV? - The average power consumption per week of the house is 111.657 KWh [more inside]
posted by sockpim on Dec 30, 2009 - 27 answers

watt?

If I have a stereo amplifier that puts out 200 watts per channel, with two speakers per channel, how many watts per speaker?
posted by 31d1 on Dec 29, 2009 - 26 answers

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