2-gang box in place of single-gang?

Is there any simple way of replacing a single-gang box (already in the wall) by a 2-gang? Adding an "old work" box alongside the original one isn't going to allow me to use a regular 2-gang wall plate for the two swithes or outlets, and I don't see how to remove the old box and replace it with a 2-gang "old work" box.
MB
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Some boxes allow you to remove the side and attach an extension. If your's doesn't, you are out of luck unless you can get the old box off.
If it is a switch, you can go to the kind that has two in the space of one.
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You can definitely get the old box out, but it's just a matter of how much damage you'll do to the wall in the process.
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George Elkins wrote:

Sometimes you can get a sawzall blade between the old box and the stud and cut off the nails. A hacksaw blade with tape wrapped around one end for a handle would be a lot slower but give you move control so you don't wreck the wall or cut the wires. (wrap it so it cuts on the pull stroke)
Bob
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wrote:
[snip]

I have a small plastic handle that holds a hacksaw blade that way.
...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
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Or take the device out of the box, and grind the fasteners off with a dremel tool.
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zxcvbob wrote:

The hacksaw is how I got my old box out so I could do the same thing. But I had one with a handle on the end instead of wrapping tape around it...
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Minnie Bannister wrote:

I have had pretty good luck by cutting the hole out to the 2-gang width, then carefully prying the old box away from the stud. Be sure to not let the box wobble much, so it doesn't damage the top and bottom of the hole. If you are careful there will be very little damage, which will be covered by the wall plate.
Bill Gill
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Minnie Bannister wrote:

It's really not too hard to do. You remove the old single gang box, which can be a little tricky depending on how it's attached to the stud. once you have the old box out, you can enlarge the opening in the drywall and intall a 2 gang box. get you one of the boxes that has the little "ears" that clamp onto the drywall and it will make installation much easier.
I just did this same thing in the house I just moved into.
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