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  1. #1
    Snappy is offline Member
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    Units connect to power supplies/a power supply?

    How should I write in the following case?:

    There are three machines (Unit A, Unit B, and Unit C).
    Unit A needs a power supply.
    Unit B needs a power supply.
    Unit C needs a power supply.
    Three power supplies are necessary. These machines cannot share a single power supply. These power supplies are all different in supply voltage and type.

    In the above case, is the following expression okay?:
    1. Unit A, Unit B, and Unit C need a different power supply each.
    2. Each of these Units needs a different power supply.

  2. #2
    SoothingDave is offline VIP Member
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    Re: Units connect to power supplies/a power supply?

    #1 needs to be "Unit A, Unit B, and Unit C each need a different power supply." "Unique" would be better than "different."

    #2 is good.

  3. #3
    Snappy is offline Member
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    Re: Units connect to power supplies/a power supply?

    Quote Originally Posted by SoothingDave View Post
    #1 needs to be "Unit A, Unit B, and Unit C each need a different power supply." "Unique" would be better than "different."

    #2 is good.
    Thank you for your quick response and information.

  4. #4
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    Barb_D is offline Moderator
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    Re: Units connect to power supplies/a power supply?

    You could say the each unit needs a dedicated power source. That means that each power source is used by that unit and by nothing else.
    I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.

  5. #5
    Snappy is offline Member
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    Re: Units connect to power supplies/a power supply?

    Quote Originally Posted by Barb_D View Post
    You could say the each unit needs a dedicated power source. That means that each power source is used by that unit and by nothing else.
    Doesn't it mean that there is a single dedicated power source that connectes to all the units, depending on the context?

  6. #6
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    Re: Units connect to power supplies/a power supply?

    No. If you say "each unit" needs a "dedicated" power source, Unit A gets power source A, Unit B gets power source B, etc.

    You can't read "each unit needs a dedicated power source" and infer that a single power source powers A, B, and C."
    I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.

  7. #7
    Snappy is offline Member
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    Re: Units connect to power supplies/a power supply?

    Quote Originally Posted by Barb_D View Post
    No. If you say "each unit" needs a "dedicated" power source, Unit A gets power source A, Unit B gets power source B, etc.

    You can't read "each unit needs a dedicated power source" and infer that a single power source powers A, B, and C."
    Thank you!
    I understood.

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