Thanks for bringing these to my attention. Even though the extenders
are easy apply, it might be quite a chore if I have to do every box in
the 2800 sq. ft. house (2 floors, plus a basement). This could easily be
Of course, no one here can make you do anything. But in your original post
"I removed the cover plates for several of the GFI wall outlets and wall
switches over a friend's house (built 1993). I was surprised that the
fronts of the receptacle boxes were about 1/4 inch BEHIND the inside of
the wallboard, leaving a uniform air gap of 1/4 inch on all four sides.
Is this allowed by code?"
If you want to correct the problem and meet the code, you could easily do
all 50 boxes for less than $50 in box extenders bought from someplace like
If it's your friend's house, and you removed the cover plates for several of
the GFI wall outlets, I am guessing you are doing some work there which may
involve the electrical wiring. Even if all you are doing is helping your
friend out for free, I think it would be a good idea to just do the easy and
dirt-cheap fix that is required for safety reasons. If you don't want to do
it, maybe you could show your friend and he/she could do it. I am not sure
why you posted the original question if you are so reluctant to just do the
easy fix and correct this safety issue that you uncovered.
Modern boxes have little tabs that you use to position them on the
side of the framing stud you are nailingthem to. It results in about
3/8" sticking out. The box is supposed to protrude into the wallboard.
that's not right, or even code compliant. front of box must be at
least ahead of the back of the wallboard, and preferably just short of
flush with it (I say just short of, because the installation will look
best when the plaster ears are resting on the wallboard and not the
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