Unplug electronics from the wall when you’re not using them
Even when turned off, things like hairdryers, cell phone chargers and televisions use energy. In fact, the energy used to keep display clocks lit and memory chips working accounts for 5 percent of total domestic energy consumption and spews 18 million tons of carbon into the atmosphere every year!
There are a few of problems with unplugging electronics:
- Plugs are often inaccessible behind furniture
- I find it quite tough to unplug some plugs, and fear getting an electric shock while doing it.
- Plugging and unplugging might send a surge of electricity that might endanger the appliance.
One solution I have found is to use one of those power bars with an on/off switch. When I'm done with the computer, I just turn the switch off on the power bar.
The disadvantages of power bars are:
- power bars take a lot of space
- the power bars use electricity themselves, at least through resistance
- manuals for many electronics specifically tell you to not plug into a power bar to avoid danger of shock or fire (which I disregard)
- power bars might cost more than the cost of electricity that they might save over their lifetime
- I don't know how much energy it takes to make the power bar and bring it to my home; is it more or less than the amount of energy it might save?
- I might want to turn off the power on one of the things I plugged onto the power bar, but not on the others, but it is either all or none.
A better solution would be for manufacturers of electronics to make products that use absolutely no electricity when the appliance is off.
Some appliances like VCR's and DVD recorders need to keep an internal clock and to turn themselves on and off automatically. I believe that they could still do this on a very tiny amount of electricity, perhaps even just on a watch battery. All it would have to do is to, when turning off, check the schedule for the next one thing that requires it to turn on; it would have to keep that value in memory, keep track of time passage (but not visible), to turn on the appliance once that proper time arrives, and tell the appliance the present date and time. I don't think this would be too costly or hard to program and make it a feature.
But I think that it might take government regulation to force electronics and appliance manufacturers to implement it.
Posted by: Mary Jo Graca | March 17, 2007 at 08:48 PM
How long should an appliance stay unplugged, so that the surge of power created when being unplugged, counteracts the drain of the appliance being plugged in?
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