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Home Removing Concentric Knockouts from an Electrical Load Center Panel 2019 InsideKnockOutRemoval-640x480-Copyright-IMG_1082

InsideKnockOutRemoval-640×480-Copyright-IMG_1082

Concentric knockouts (KO's) ready for removal.

A concentric knockout being removed from the bottom of a Square D QO Load Center. This looks like the 3/4″ knockout is punched inward.

My Knipex Diagonal Pliers cutting through the mild steel concentric knockout. I think this is the 1" Knockout.
All of the unnecessary concentric knockout rings have been removed. A 1 1/4" connector will be going into this knockout.