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Old 11-18-2009, 08:26 AM   #1
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Help drilling hol through thick top plate for conduit.


Been trying to drill through that top plate for my 2 inch conduit. For some reason, it looks extremely deep. Like it is 3 or 4 2x4's thick. I used a spade bit with a long extension just to get a small hole. I will have to install the conduit in small sections with pvc couplers because of ceiling height. (No room to drop a 10 foot section in without hitting the roof). So the hole will need to be the diameter of the coupler which is about 2 3/4. Also, where i need to put the hole is right beside 2 electric wires that drop down this wall into the panel.

What is the best, easiest way to cut this hole and to ensure it

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Old 11-18-2009, 10:27 AM   #2
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Help drilling hol through thick top plate for conduit.


move the wires out of the way. Use a spur bit with an extension. [IMG]file:///C:/Users/Bob/AppData/Local/Temp/moz-screenshot-1.jpg[/IMG]
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Old 11-18-2009, 08:15 PM   #3
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Help drilling hol through thick top plate for conduit.


Four smaller holes at the corners and a sawsall to cut out a square.


Or a rotozip.


Make it big to give yourself room to work.
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