Review on 53151 Pre Galvanized Square Extension Knockouts by Ricardo Fast
Not as described for junction boxes
According to the product description it has 1/2" and 3/4" knockouts. It's only 1/2 inch. Each side has three 1/2" holes. I have attempted to return it but this item is non-refundable. If you need 1/2" and 3/4" go to Home Depot. They sell it for less than two dollars a piece.
- Used when you need to add extra capacity for cables
- Upgrades
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