Plugging a surge protector into a power strip

reasonzero000 -  
blux Posted messages 5031 Registration date   Status Moderator Last intervention   -
Hello,

I'm planning to build my PC soon and I've almost gathered all the components. Also, I know my PC consumes over 500 watts. I bought a 650 VA UPS (I thought it was the right one), if you're following along, you can see where the mistake is ^^'. My friend told me that it's not the right UPS at all and that 650 VA isn't the power in watts, and that my UPS only provides a maximum of 400 watts. I really don't want to wait several months to buy a new one. I wanted to know if it would be possible to connect the UPS to a power strip and plug my PC into the power strip, and connect the printer and the monitor to the UPS? Thanks in advance to anyone who can help me.

4 answers

  1. brucine Posted messages 24767 Registration date   Status Member Last intervention   4 160
     
    Hello,

    Knowing that, on AVERAGE, a PC consumes 300 VA and a screen 150, it should work even with an inkjet printer including in standby mode that hardly consumes anything (but not with a laser printer).

    But as mentioned, there's no point in connecting the printer to the UPS (unless it's to soothe our conscience about the money we've spent).

    A UPS can either protect against power outages or provide enough time to safely shut down: and in the latter case, there needs to be a screen connected to know what you’re doing, and also to quickly jump out of bed or out of the shower (budget models typically have a backup time of only a few minutes).

    As for the basic question, connecting the printer and the screen to the UPS but not the PC is just as good as not having one.
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    1. blux Posted messages 5031 Registration date   Status Moderator Last intervention   3 455
       
      Uh, a screen doesn't consume what you say; we're more at 1/5 of what you mentioned, if we're talking about an LED screen and not a CRT...
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  2. blux Posted messages 5031 Registration date   Status Moderator Last intervention   3 455
     
    Okay, I take note, but that only partially answers my question. Does the idea of the inverter on the power strip work or not?
    You should read what we've written several times...

    --
    A+ blux           
     "Fools dare everything.
    That's how we recognize them."
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  3. blux Posted messages 5031 Registration date   Status Moderator Last intervention   3 455
     
    Hi,

    even if you connect your UPS to the output of a nuclear power plant, it will never provide more than 650 VA since this power can allow for a connection of about 520 W (with a power factor typically estimated at 0.8).

    However, you might be able to measure your PC's consumption more accurately because just adding up the theoretical maximum of all the components won't give you the actual consumption.

    And connecting a printer to a UPS doesn't make sense in a non-professional environment...

    The only thing that should be on the UPS is the PC!

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    1. bendrop Posted messages 12657 Registration date   Status Contributor Last intervention   8 527
       
      Hello,

      It is strongly advised not to plug a UPS into a power strip.
      It's better to plug the power strip into the UPS.

      Best regards.
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    2. reasonzero000
       
      Hi! Thank you for your response (I suppose). It's partly my fault and I apologize; I forgot to mention that there is unfortunately only one wall socket in my room, so I can't plug in both, hence my question otherwise I wouldn't have asked it. As for the power consumption of my components, my friend calculated it and he knows what he's talking about. What I can affirm is that he said I would need at least 650 watts for everything to run smoothly. Moreover, my question is not about whether plugging a UPS into a power strip will consume more or less, but rather whether it would be possible to plug my PC into the power strip knowing that it will have a UPS connected to it so that I can plug in my monitor and printer (because I have to make sure that the money spent on it serves a purpose). I also add that my friend told me my setup exceeds 500 watts, so logically and deductively, my UPS is insufficient for this task. Thank you for really answering the question and not beating around the bush. I appreciate it in advance.
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    3. reasonzero000 > bendrop Posted messages 12657 Registration date   Status Contributor Last intervention  
       
      Hi! Ha ^^'! So it's dead then. Just out of curiosity, could I know why, please? That way I wouldn't feel dumb in the future. Otherwise, thanks for responding.
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    4. blux Posted messages 5031 Registration date   Status Moderator Last intervention   3 455 > reasonzero000
       
      What power supply do you have in your PC? Because your "friend" is talking about 500 W or 650 W, it's not the same thing... Especially if he knows what he's talking about (as you say!)

      You can plug whatever you want into a power strip, but plugging a printer and a monitor into a UPS when the device that should be sending them data is off, I'm still looking for the point (and even beating around the bush, I don't see it!).
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    5. reasonzero000 > blux Posted messages 5031 Registration date   Status Moderator Last intervention  
       
      Good evening,

      I don't see where this discussion is leading us either, so let's keep it brief. Is it a yes or no? (That’s what I’m asking for a response to). The rest isn’t important regarding what I do or don’t do with the equipment I buy. Just please answer my question so we can end this quickly. I’m not knowledgeable in this field, so helping others in difficulty, knowing that we know more than they do, shouldn’t involve so much interrogation when the question is simple. Thank you for your help and please don’t question me when my question hasn’t been answered.
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  4. reasonzero000
     
    Good evening,

    Okay, I take note, but that only partially answers my question. Does the idea of connecting the inverter to the power strip work or not?
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    1. lic
       
      Hello
      650VA inverter on a power strip, why not, but I choose a power strip rated for 16 Amperes, regardless of the lower current running through it.
      It's just a matter of habit; a 10A power strip always ends up heating up and sometimes catching fire due to fires.
      If your PC really consumes 500W, I'll sell the inverter and buy the right model. I won't use it for your setup, even if I have to wait a few months for the new one.
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      1. reasonzero000 > lic
         
        My God, thank you, finally something concrete. It's all I wanted to know, I thank you infinitely :), I wasn't expecting more. This matter is closed.
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      2. lic > reasonzero000
         
        Ok.
        While waiting for the proper inverter, the computer should still work most of the time. It's become rare to find places where there are frequent power outages.
        As a precaution, I chose a power strip specifically for computer use that has basic surge protection.
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