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Question DetailsAsked on 1/10/2018

How do I clean mouse urine off of electrical cords and computer connectors

Mice have run along the wall where cords lay. They are covered with sticky residue.

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1 Answer


Certainly make sure there is no power in them before cleaning.

For the cords themselves just a normal disinfecting wipe, like a baby wipe without added lanolin or such, should do fine. You could also use a rag dipped in warm water with a bit of chlorine bleach and dish soap, following up immediately with plain water to remove any residual chlorine, which can damage plastic and rubber-like compounds.

As for the connections - for the outside of ones connected together the above should be fine - just make sure there is no free water in the rag to be able to run into the connector - wring it out well first.

If you think some got inside the connectors, I would use wireless (only the fabric coming out of a twisted paper tube) pipe cleaners (some craft stores have them) for the female ports if you think any got in there - but that is pretty unlikely if the cable connector ends were normally connected at the time. The male prongs you could clean with Q-tips with warm water with a dab of Dawn in it - wring the Q-tip out first by rolling the tip against a towel or paper towel to remove free liquid - use a dabbing motion, being careful not to move the prongs sideways. Again, if the connector was assembled to its mating half unless there was a LOT of free urine right on it, none probably got inside the connector.

Then leave connectors (whether or not you decided to clean inside them) disconnected and exposed to the air for some hours to thoroughly dry out any moisture before use.

I would NOT use electronic parts cleaner - the chemicals in it can degrade some types of insulation.

BTW - when wiping down the cords, run your fingers along the cords to feel for any chew points/ Squirrels and rats more so, but mice will also experimentally chew cords - you do not want to fire up a cord which has been chewed, both because of electrocution/ shorting out risk if a power cord, but also to prevent damage to the chips even if low-voltage cord - especially since some types of cords carry several voltages, so an overvoltage from one making contact with another at a chewed spot could remotely possibly fry some innards on your computer, or at least make it go wacky.

And of course, get some mousetraps. Alsomake sure the cords are elevated well above the floor when you get it cleaned/shampood to remove the mouse residue from it.

Answered 2 years ago by LCD

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