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I'm installing a Sense energy monitor and am trying to figure out which are my mains.

This photo is of my main panel, but there's a sub-panel in our house as well, which I'm assuming a couple of these go to.

Are the primary mains the ones with the yellow "caps" on them?

enter image description here

  • Three wire through PVC? (Scratching head) – NoSparksPlease Nov 18 '20 at 16:14
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Yes, the wires behind the yellow are the supply for this panel. You can see that they're attached directly to the main disconnect/breaker.

The smaller wires exiting the bottom are connected to a breaker on the bus, indicating that they're feeders for a sub-panel.

1

The mains are the large breaker at the bottom. The sub panel is fed from the 2 pole breaker near the top right, with the large wires on it.

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