• SirDerpy@lemmy.world
      link
      fedilink
      arrow-up
      30
      ·
      4 months ago

      Technical details and the social contract mandate that your generator is never connected to the main power grid. The generator should be wired to an enclosed AC transfer switch. This switch will connect either the generator or the main grid to your home, but never both.

      Some detail: If the generator is wired to the main grid it can prevent restoration of main grid power. While an AC transfer switch will perform the task, many jurisdictions mandate additional safety precautions (which can be quite expensive).

      • deranger@sh.itjust.works
        link
        fedilink
        arrow-up
        22
        ·
        4 months ago

        It can also kill a lineman working on the power lines outside your house, thinking they’re not energized.

        • SirDerpy@lemmy.world
          link
          fedilink
          arrow-up
          10
          ·
          4 months ago

          It could. But, there’s more layers to this swiss cheese model of safety. For example, the lineman’s procedure is to ground out, then isolate, then test and to ground out. They’d need to skip both ground out and test to be electrocuted by an asshole with a generator.

    • frank@sopuli.xyz
      link
      fedilink
      arrow-up
      8
      ·
      4 months ago

      The real way is a generator inlet, which is a male plug that’s interlocked with the main. So the cord ends up being a normal male/female cord

    • Pika@sh.itjust.works
      link
      fedilink
      English
      arrow-up
      21
      ·
      edit-2
      4 months ago

      The proper way of doing it is using what’s called a generator bypass switch, basically it’s a physical switch that runs before your fuse box, and it makes it impossible to have both the main and the generator being fed at the same time, so you can either have the main on or you could have the generator on. This prevents the electricity from your generator back feeding into the line and killing a line worker trying to restore power.

      Sadly, like the other comments have said people tend to use these male to male cables in order to not have to pay the $2,000 to install the switch and instead choose to just turn the main breaker off and plug that cable in. But since it’s possible to have both the main and the generator on it’s not legal because if you forgot to throw the Main or if you did it incorrectly you could be putting workers at risk

      Even disregarding the safety risk of using such a cable, not having a dedicated switch installed also means that you’re plugging your generator into usually an outside socket of the house, and those power lines aren’t usually meant to have a high load so you risk creating a fire from over straining the line as well

      • Szyler@lemmy.world
        link
        fedilink
        arrow-up
        2
        ·
        4 months ago

        “risk a fire from staying the line with a high load”, wouldn’t the fuse in the line you plug it into simply open if you over load it?

    • Revan343@lemmy.ca
      link
      fedilink
      arrow-up
      9
      ·
      4 months ago

      For the actual physical connection, you use a male receptacle

      In order to do it legally, you also need the transfer switch, as has been mentioned.