Hi everyone, I am wondering if there were any special tool to make a square/rectangular housing in a concrete/brick wall for an electrical box? Generally we can drill a round hole using a masonry bit, then there should be a tool to convert that round hole into a housing for an electrical outlet. I remember seeing someone who does it with a special tool that is attached to a hammer drill/jackhammer. It would be great if anyone can point me to the right direction. Thank you in advance.
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