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is it safe to chain surge protectors?

G

groovin

Senior member
i heard a while back its not safe to chain these things... is this true? is it safe to plug a surge supporessor into a UPS?

thanks
 
It's ok if your UPS has a perfect sine wave output. If the output while you're on the battery is "simulated sine wave" or "squarred sine wave" or somethink like that then you should not plug a surge protector in the UPS.
 
Typically not a good idea - even if it doesn't mess up the surge protection, your probably putting alot of strain on one wall outlet if you plug alot of stuff in.
 
What I like to do is first plug a UPS into the wall, then I plug a surge protector into the UPS, then I plug my computer into the UPS, and then I unplug the UPS from the wall and plug it into the surge protector.

Infinite power!
 
Originally posted by: Missing Ghost
It's ok if your UPS has a perfect sine wave output. If the output while you're on the battery is "simulated sine wave" or "squarred sine wave" or somethink like that then you should not plug a surge protector in the UPS.
Click to expand...

He is correct. You should never plug a surge protector into a UPS that doesn't put out pure sine wave all the time. There are very few consumer UPS's that put out pure sine wave. For APC, only some of their Smart-UPS's and above put out pure sine wave.

If you need more outlets, I would suggest getting an unprotected power strip (though those can be a bit hard to find). Also it may be safe to plug a UPS into a surge protector.
 
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