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Discussion Starter #1
Hello...

My 200 amp main/meter combo outdoor panel does not have very many knockouts. It is an eaton, and I didn't pay attention when I bought it. It only has like 4 of the 3/8" or 1/2" not sure which one but it uses the 3/8" coupler things that have the two screws one on each side, and a little locknut washer on the other side. These work very well with armorlite 12/2 cable which is what I like using.

It is a 20 space/40 circuit panel.

Can anyone please fill me in on what tool I need to use to drill through and make a nice clean hole for the 3/8" couplers I have to work with. I hope it is something as simple as a special drill bit that will fit my cordless.
 

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13,490 Posts
Those carbide holesaws are nice and cut a clean hole.

I am not sure how you will be able to cut that many kos in a meter main panel.
 
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