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Thread: Global shutdown for duct detectors

  1. #11
    Join Date
    Feb 2018
    Location
    US
    Posts
    17
    Quote Originally Posted by gar View Post
    180328-1646 EDT

    Fire Pro:

    Because something has a control relay (whatever that really is) in the something does not mean it is the controller or the controlled item.

    A controller is something that controls something, while a controlled item is something being controlled by a controller. So it matters where you draw the line between the two ends of a circuit.

    We are really talking about source and destination.

    .

    Thank you

  2. #12
    Join Date
    Feb 2018
    Location
    US
    Posts
    17
    Quote Originally Posted by gar View Post
    180328-1646 EDT

    Fire Pro:

    Because something has a control relay (whatever that really is) in the something does not mean it is the controller or the controlled item.

    A controller is something that controls something, while a controlled item is something being controlled by a controller. So it matters where you draw the line between the two ends of a circuit.

    We are really talking about source and destination.

    .

    Thanks

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