Here is the difference of the length of screws. But 1st!
Now with the base ready, we will work on the box...
1. screws
2.-4. a>residential metal box w/joist hanger, b>removed the hanger c> attached it to a receptacle box w/punchouts.
5. Box with joist hanger>>>Now to be known as>>>counter balance attached to the side(more on this later)...
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