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Edit: did not see that the driveway was inside the way -- changing the 12/3 isn't always an alternative anyway, as you'd want 12/4 ground cable, and as some distance as i recognize, one of these aspect isn't always made in uf, as 3-section programs are typically wired in conduit. In view that it's miles blacktop, you could break up the phase running over the cable-trench then lay down a cold blend patch as soon as the trench is backfilled.
I'm rewiring my whole residence after a primary malfunction of antique knob and tube circuits. I'm up in opposition to a mission with a few out of doors lighting. Right here's the scenario: i've a indifferent storage. It has a porch mild over the provider door, and it works on a couple of three way switches positioned in the storage and in my kitchen. The porch mild over the kitchen door also works with this garage mild - they are each managed with the aid of the identical 3 manner switches. I'm a actually large fan of this setup, and that i wish to store it.
I know i need to replace the weight middle in my storage with a brand new, grounded unit. Recall, i'm rewiring a whole, enormous antique residence built in 1878, so getting the lights again on is first priority - i will get to the storage whilst the residence is executed.
Are you able to locate the direction of the existing 12/3 underground branch circuit cable? In that case, you can reveal the 12/3 cable in its trench and lay a 12/2 cable along it to hold the neutral and grounding conductors as according to nec three hundred.Five(i):. The best way you may have a 3 manner switch inside the garage and residence with handiest three conductors, and no kludgy tapping into the storage circuit, is that if the lamps are in collection. But because lamps need 110v, this will require you to make the circuit 220v. And then that might most effective work with incandescent lamps of identical wattage. Forget about it!.