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Thread: UPS and power strips

  1. #1
    DDY
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    UPS and power strips

    What can possibly go wrong if I lop the mains plug off a power strip and replace it with a C14 plug so I can hook it up to my UPS? Some say it's bad but I can't see why not.

    It'll be a non surge protected strip and won't exceed the max load on the UPS of course, I just need to install another wall-wart for a LAN switch.

    UPS in question is the APC Back-UPS 650.
    Last edited by DDY; 30-12-2011 at 03:43 AM. Reason: sp

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    Re: UPS and power strips

    It'll probably be fine as long as it definitely doesn't have surge protection. I do it, but only on low-power devices like routers and switches - anything more than maybe 30W gets a direct cable.

    I would probably never do it at work though. APC has some online guidance for this particular question.

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    Re: UPS and power strips

    We do it at work for running the 3 pin plug/transformer combos for items like modems, kvms etc. Has works perfectly well for us for a number of years and through various power cuts.

    As above, just make sure you use non surge protected strips.

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    Re: UPS and power strips

    Only electrical downside I can see is you have removed a fuse. Given that your UPS capacity is no where near enough to overload a 13 amp trailing socket I think you'd notice if you managed to overload it.

    Other possible downside is that people may plug into it not realising that it is UPSed, but that depends on where it is located.
    I had this problem at work, my PC was on a UPS that was under the desk, but becuase my PC uses a C19 they used a four way socket. So UPS to C13/C14 to 13 amp four way socket, standard 13 amp plug to C19 connector for PSU. Anyone that come down to use a spare desk near me would, without fail, plug their laptop / phone charger / whatever into the UPSed power strip. In my situation it never caused an issue, the UPS was not doing anything important and the extra load of a laptop was never a problem.

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    Re: UPS and power strips

    I do this at home, and I wouldn't have a problem using a UPS to power a power distribution unit in (say) s cabinet rack, provided that the PDU had an appropriate fuse built in, and that it was appropriately labelled.

    The reason for the labelling is in case someone powers down the cabinet externally without realising that the PDU and any equipment is still live.
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    DDY (06-01-2012)

  10. #6
    DDY
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    Re: UPS and power strips

    Thanks everyone, may install an inline fuse but I don't think it would be any use, I can't even get 3A through the thing!

    Got it up and running a few days ago:
    Last edited by DDY; 06-01-2012 at 01:15 AM.

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