I have routed two, 2-wire (12-2) sheathed electrical cable cables running about 30 ft. from the supply panel to an out bldg., with the intent of supplying a 20 amp circuit to the out bldg.
I routed the 2nd of these two cables to use for a 3-way switch for an outside light on the out bldg. (I now know that I should have used a 3-wire sheathed electrical cable cable for this purpose ).
One switch is to be located at the main house (near the panel) and the other switch inside the out bldg, where the outside light is mounted.
In essence, I am short one wire. Is there any way to use the two 12-2 sheathed electrical cable cables that I have already routed, to establish the 3-way switch and still have an "unswitched" live circuit for the rest of the out bldg, like a "shared" wire somehow? Or will I have to replace one of the existing 2-wire cables, with a 3-wire cable?
I would appreciate an answer, be it yea or nea.
Screwed 3 ways!
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