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  1. emmgonzalez

    Separately Derived Systems

    Can anyone here explain the concept/theory of separately derived systems and how it would affect system installations? Thanks.
  2. emmgonzalez

    Putting the High Voltage (Lightning) Sticker

    What does the NEC say about putting a high-voltage sticker? What is the minimum amount of voltage in which a sticker must be placed? It is also required to put the value of voltage near the lightning sign? Thanks.

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