General > General Technical Chat

Clean/Refurbish Oxidized Electrical Plug Prongs

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coppercone2:
the point is it could get hot and melt insulation and leave exposed conductor or get hot and damage the outlet and make it unsafe, or get hot and short out and possibly damage the wiring (I hope you don't restore circuit breakers) it seems foolish to gamble with such an object, things are supposed to be safe to unplug and safe for the house wiring.. it seems like a really bad idea to pursue this, and there is always the risk of fire, that cord is always the last line of defense and they teach people to unplug it (say the iron is involved with a electrical fire), if you happen to have insulation damage on the cord when you rush to unplug it so you can put out the fire, bad things will happen.

I am sure there are more disastrous possibilities, but its better just to buy a new plug and wire it properly. Maybe I should have said "flight of the phoenix' where you are certain to die unless you attempt it.

ejeffrey:

--- Quote from: tooki on June 11, 2022, 12:47:40 pm ---As I told him, if plugs are not holding tight, it’s because the receptacle is worn out and must be replaced at once.

--- End quote ---

This.   If you are really concerned about the plug measure it with calipers: the blades should be 1.5 mm.  But even if it's a bit thinner it should work.  The outlet is responsible for the spring force and they don't last forever, especially cheap ones.

coppercone2:

--- Quote from: ejeffrey on June 21, 2022, 04:26:50 am ---
--- Quote from: tooki on June 11, 2022, 12:47:40 pm ---As I told him, if plugs are not holding tight, it’s because the receptacle is worn out and must be replaced at once.

--- End quote ---

This.   If you are really concerned about the plug measure it with calipers: the blades should be 1.5 mm.  But even if it's a bit thinner it should work.  The outlet is responsible for the spring force and they don't last forever, especially cheap ones.

--- End quote ---

and loose fitting crap is going to get arc damage and get higher and higher resistance, if you have a loose outlet or loose cord, replace it. It's not self cleaning either, whatever the scraping action is worth. Mains interconnects are just bad news to have anything non standard. That's when electricity gets unsafe, it should be proper.

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