I need to find about 10 transformers/converters from 240 @ 50hz to 120V @ 60Hz capable of about at least 1000W @ 120V. [more inside]
Why is my business partner always on the receiving end of painful (but hilarious) static shocks in our office, yet I seem to be unaffected? [more inside]
Explain to me the technology of charging devices. Is it mainly about voltage? About current? How close to the "required" values must you be? [more inside]
My computer cycles off without warning, and it's on a battery pack/surge protector UPS. What gives? [more inside]
Electrical Filter: Help me figure out how an electrical circuit seemingly got rewired overnight. [more inside]
How do I keep my iguana alive during an electric blackout? All of her lighting and heating elements demand electricity. I don't have a generator or the funds to purchase one. I'm most concerned about her getting too cold. Under 80*F for extended periods is the danger zone.
I have a question about my house's ground wire, and may need recommendations for an electrician in Minneapolis. [more inside]
What's the best way to protect surveillance equipment from lightning? [more inside]
Power went out... right as I'd gone to the grocery. I put all the must-stay-cold stuff away anyhow because the stuff I'd bought was worth more than what was already in there. So, it's been opened once, what was put in was still frozen/cold from the grocery. I'm not opening it again. How long can I expect stuff to still be good for? [more inside]
I want to get a voltmeter. I think that is what it's called. Can you recommend one? [more inside]
I need a primer on how (electrical) power works. [more inside]
I want to buy a fabric steamer to iron curtains, but not sure which model to choose (details inside) [more inside]
Will turning up the thermostat on my central air and buying a window AC unit for the one room I use the most make a significant difference in my electric bill? [more inside]
Please help me understand this bizarre home electrical-wiring problem, and how to fix it. I've got a mid-50s house. I wanted to put an outlet into the second bathroom, which has none, and it looked like the easiest way to do that would be to replace a wall switch with a combination switch/outlet (specifically, this one). [more inside]
Why are my UPSs not pulling power from the generator? [more inside]
Home energy advances. Are there any new developments I should know about as I'm about to move into an older single-family home after 13 years of living in an apartment? It is a gas/electric home with heavy tree shade.
Planing to split the electricity bill with a new roommate - how should the bill be managed in terms of payment so that I protect myself?
Planing to split the electricity bill with a new roommate - how should the bill be managed in terms of payment so that I protect myself? I don't want to get screwed some how. [more inside]
I am considering changing my electricity provider and I have never done this before. What I want to know are what things should be considered before making a switch such as this. My basics reasons are cost and that Comed, the local provider has treated me like crap over the years and I am tired of their corporate doublespeak and crappy service. [more inside]
I just installed a new lightswitch in my bathroom. Now, when I turn my living room air conditioner OFF, the power in most of my apartment goes out. And even when the AC is on, the power level is extremely low. WTF??? [more inside]
In 2009, 91.2% of Seattle's electricity was from hydroelectric sources, and in 2010, 87.9% was hydro. Is the hydro capacity maxed out, or will it scale up to meet additional demand and maintain that ratio? Here's what I'm getting at: If I were to use more electricity than now, will that incremental power effectively come from non-renewable sources rather than ~90% hydro?
Correct way to put a 110V (three-prong) dryer onto a 240V circuit? Or should we just throw it in and get a new one?
We've swapped out a three-prong dryer cord with a four-prong one but not wanting to plug it in and potentially blow something up. Approach from here? [more inside]
Explain alternating current distribution across "the grid" to me in terms an educated layman can understand. Specifically, I have a question about how to talk about which power plants are providing power to a particular consumer. [more inside]
Home electrical mystery: Why did tripping a circuit cause all of the GCFI outlets within the circuit to fail (ie none of them can be reset now)? How can I fix this? [more inside]
I moved into a flat in London in Sept 2011. I wasn't given any meter readings---my agency didn't have them and didn't even know where the meters are. Landlord also doesn't have a good idea where they may be. I don't know previous tenants. There is no gas in this flat---it's electricity only. [more inside]
I have an odd fascination with lighting. I want to learn how to rewire various consumer electronics into functioning lamps without electrocuting myself and/or burning down my apartment building. [more inside]
Want to install an ungrounded hanging light fixture in place of an existing grounded flush-mount dome light. Controlled with existing three-way switches. [more inside]
Does flipping a switch on and off rapidly damage electrical equipment? [more inside]
Panel to Garage sub-panel. How many amps can my sub-panel hold? (You are not my electrician.) I will be hiring a licensed electrician, I’m just curious as to what to expect. [more inside]
A friend of mine has 20+ old arcade games in his basement. He has essentially set up a small arcade museum at his house. It's pretty sweet! The games are split between several circuits in the house but power is becoming a concern. These old electronics are sensitive to spikes and low voltages and we want to keep them running as long as possible - most of the circuit boards are not made and difficult to replace or repair. What should we consider for 110v line conditioning? [more inside]
I have a two-plug outlet with a three-plug adapter, meaning that I have four things plugged into the outlet. Am I going to set my sublet apartment on fire? Or rather, how can I keep from doing so? [more inside]
Can a math / electrician whiz help me figure out how much my little space heater is costing me to run? The heater is listed as 120V 60Hz 1500W, and I run it on its highest setting for about 8 hours a day. According to my last utility bill, my electric was $118.64 for 1536 kWh, or $0.077239583 per kWh. So how much is this little heater costing me to run per hour?
I'm trying to figure out if it will be cost-effective to buy this electric toaster oven, versus using a large gas oven. [more inside]
Why do my headphones give my ears little electric shocks in the winter, and how can I avoid it? [more inside]
In a bid to prolong bed-time, my four-year-old just asked me, "What is electricity made of?' I told her to close her eyes and go to sleep, which has bought me 9-10 hours till she wakes me up and asks me the same question again. What's the most accurate answer I can give her that she will understand and not be bored by?
How can a lightswitch that controls both outlets be converted to switch just one? [more inside]
After months of rambling on the wonders of waffles to my UK housemates, I was gifted the best present ever...a waffle maker! I am desperate to make this thing work. Need electrical advice. [more inside]
Do I have everything I need to safely put together this lamp without burning my apartment down? [more inside]
Help me understand the national electric code with regard to rewiring and updating several rooms in my 1940s-era house. [more inside]
Why is this lightbulb flickering? [more inside]
I'm about to teach a soldering class to kids, and it occurs to me that I may blow a fuse in the room that I'm doing the event in if I plug too many in at once... Any idea of how to gauge how many I can plug in simultaneously? This is the soldering iron I have. http://www.elexp.com/sdr_5258.htm Ideally, I'll plug in 12 at once... thank
My new flat has a prepayment meter for gas and electricity. I think we want to switch to a credit meter, but I'm not sure and I don't really know what I'm doing so I'm afraid of screwing this up. Help? [more inside]
Why does my electric range trip the circuit breaker when the oven and all burners are used? This behavior is new. [more inside]
What can I do to reduce static cling on my glass coffee grinder hopper so less coffee sticks to the sides and makes a big mess? [more inside]
Calling all electricians: please explain to me how power surges work. [more inside]
What is it like to work on a tree/line crew restoring power after a big storm? [more inside]
How the heck is this outlet 'grounded'? [more inside]
How much are your Con Ed bills? Help me work through some issues with my electricity bill in NYC. [more inside]
So I'm watching The Stand, and I noticed late plague, the power's still on. So how long will the power run without maintenance. [more inside]
Has anyone had a fatal electric shock while working on a computer? Is there any data?
Why would nearly all of a 1940s-era house be run on two 15-amp circuits? [more inside]