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Posted by metspitzer on July 5, 2008, 3:16 pm
>I need to drill a 5/8" or 3/4" hole in a fireblock in an interior 2x4
>finished wall in order to run a cable. I have reasonably good access
>from above the wall in the attic. I could have access from below the
>fireblock but I don't want to cut the holein the sheetrock for the box
>until I'm sure I can get the cable run. I am considering either long
>flexible bits (like Greenlee D'Versibit auger bits) or using 18"
>extensions for auger bits to reach the fireblock. I am concerned about
>flexible bits being able to punch completely through the fireblock.
>The fireblock is centered about 42" from the ceiling or 48" from the
>floor. I'm interested in any experience by others on the group who may
>have done this task before and their suggestions on the best way to
>approach this.
>
>Also, the fireblock seems to be at least 3" thick as measured by the
>stud sensor. Is it common for fireblock to be a doubled 2x4?
>
>
>John Keith
>kd0gd@juno.com
Is this for an electrical box or data box?
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