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Thread: Protect my computer against a collision? Impact - car crash

  1. #11
    FLAC
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    Quote Originally Posted by 528i_tourer View Post
    Maybe i am overoverover worried with this but i like to prevent and dont take it easy on this....
    PC is protected by a 30 A fuse...the green one!!!

    Is this too much...my PSU can go 250 W on consumption....
    Thanks!!
    Yes, you are overworried, yes the fuse is too big. Take a multimeter and check the amp draw on the computer during 100% cpu usage and maximum devices you will used connected. Find a fuse for either exactly or slightly more than that number. That way you're 100% sure that if something flukey is happening, the fuse blows. This is good for not just crashes but other things like faulty devices and whatnot.

    Quote Originally Posted by TheGuv View Post
    30a fuse? My cig lighter runs on that and I don't worry myself about that!
    30 amp fuse for cig lighter? Unless you've changed something the cig lighter circuit is designed for up to 10 amps. I've drawn 40 out of mine with a 40 amp fuse and DID actually have an electrical fire. Theres a reason why the car has the fuses it already has. Obviously, if you've rewired it and done your own thing it should be fine.
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  2. #12
    Variable Bitrate csfile's Avatar
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    Very important. Make sure you select the proper wire gauge to handle the amperage that you are fusing. If the wire burns up before the fuse is broken... For example, 30A fuse on 20 gauge wire is a bad idea.

  3. #13
    Constant Bitrate
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    Quote Originally Posted by PaulF View Post
    30 amp fuse for cig lighter? Unless you've changed something the cig lighter circuit is designed for up to 10 amps. I've drawn 40 out of mine with a 40 amp fuse and DID actually have an electrical fire. Theres a reason why the car has the fuses it already has. Obviously, if you've rewired it and done your own thing it should be fine.
    Came out of Ford like it... Got a socket in the dash, one in the glovebox and one in the boot... If what you're suggesting is right then for my car to have a 30a fuse is justified by the 3 sockets.

  4. #14
    FLAC
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    Quote Originally Posted by TheGuv View Post
    Came out of Ford like it... Got a socket in the dash, one in the glovebox and one in the boot... If what you're suggesting is right then for my car to have a 30a fuse is justified by the 3 sockets.
    That's weird but nice. On most cars they'll give a 10 amp fuse for all the sockets combined, which is highly annoying because each socket can actually handle 10 amps, but they just don't wire it correctly.
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  5. #15
    Low Bitrate IssaquahWA1979's Avatar
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    just another vote for over worried about nothing so long as you are properly fused... I have tons of equipment in my truck that run at over 60 amps but everything is fused and wiring is larger than necessary. You have far more chance of the battery shorting out with the sheet metal and catching fire than the PC. If you are running 120v such as me with an inverter the moment that it shorted out the Inverter would either go into overload or blow its fuse again nothing to worry about.
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