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Type: Posts; User: gubavac111

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  1. Closed: Re: Adding a light parallel to existing loudspeaker circuit

    Thank you all guys for your quick replies. From what I've seen, it seems much better not to try my idea, but to run the cable to the controller's control output.
  2. Closed: Adding a light parallel to existing loudspeaker circuit

    I work on a ship which has Public Announcement (PA) system. PA system consists of a couple of zones. Each zone has an a controller, amplifier and a loudspeakers circuit.
    In our case, PA system is...
  3. Closed: The simplest definition of VOLTAGE you can come up with

    I've measured it thousands of times, talked about it hundreds of times, but never reaaaaally understood it.

    All those definitions seemed so complex, as if they are trying to make the voltage seem...
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    Closed: Re: "Frosting" on top of Ni-Cd batteries

    how long have they been in service? - From Aug 2018.
    are they filled to the correct level - not overfilled? - They are filled just below MAX level.
    are they re-charged properly? Don't know, how to...
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    Closed: "Frosting" on top of Ni-Cd batteries

    Just wondering what this "frosting" on the Ni-Cd battery cap could be? How is it created? Is it dangerous? Should it be removed?

    Check the pic below.153287
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    Closed: Re: Help with reading UPS drawing

    Amazing, thank you so muuuch for replying, this means a lot to me.

    I was wondering what you might think would be the reason why this UPS intermittently trips due to High Output Voltage? Which...
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    Closed: [moved] Help with reading UPS drawing

    Hello, everybody, this is my first post.

    I would like to ask for help with analysing drawing of a certain UPS. This UPS converts 3-phase 440VAC to 48VDC.
    It would mean a world to me if someone...
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