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Edited on Sun Feb-06-11 12:20 PM by breadandwine
I'm always amazed that more people don't know this. If you have an appliance that won't turn on, check the plug. About half the time the problem is simply that the plug is tarnished, preventing an electrical connection. Clean off the tarnish in that case and the appliance will work fine.
Here's the best way to do it:
Do NOT use chemicals, some of which may be harmful to get in the air if the plug gets warm. Just use ordinary steel wool (dry), preferably very FINE steel wool. If you use coarse steel wool it makes the metal surface rougher, increasing its surface area and hence, likelihood of oxidizing again. Use only plain steel wool, not the Brillo kind that has cleansing chemicals in it.
After cleaning off the tarnish, which takes a lot of scrubbing with the dry steel wool, brush off the metal and tarnish dust you have created, with a dry dust brush. Brush VERY THOROUGHLY. If there is any dust remaining it needs to be removed, since metal dust can cause a fire. Yes, metal can burn.
If you do not believe this, take some steel wool, again, regular steel wool with no chemicals in it and in a VERY safe place on your stove, preferably in a dish made of aluminum foil, touch a match to it. You will see that the steel wool readily lights up and little balls of fire move along the wires of the steel wool for a few moments until the steel wool is oxidized. (You can't use that piece of steel wool afterwards, you have to throw it out.) So yes, fine particles of metal can indeed burn.
If, after shining the plug with the steel wool and brushing thoroughly, you still absolutely can't get off all the dust, remove it by wiping it with a paper towel SLIGHTLY dampened either with water or a solvent such as paint thinner. The dust particles may adhere better to the solvent since it is oil based. But only use a liquid you know will evaporate COMPLETELY with no residue. Both water and solvent are dangerous near electrical equipment. Use more paper towels to wipe off the liquid which in any case should be used only to SLIGHTLY dampen the paper towel. Wait a full hour before plugging the appliance back in. Wait until you are sure that the plug is absolutely bone dry and free of all particles or liquid.
REMEMBER: NEVER DO ANY OF THIS AT ALL WITH THE APPLIANCE PLUGGED IN OR NEAR THE WALL OUTLET. Get AWAY from the wall outlet while doing all this.
If you clean the tarnish off a tarnished plug, that is very often what caused it to not work and it will often start working fine afterward.
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