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The Steel City 73151-1/2-3/4 is a box extension ring designed for electrical installations. It measures 4-11/16 inches square by 1-1/2 inches deep. This ring provides two half-inch and one three-quarter inch knockouts for flexible conduit connections. The product has a cubic capacity of 29.5 cubic inches and is made from pre-galvanized steel for durable use in various applications.
This extension ring is ideal for expanding electrical boxes and ensuring proper installation with conduit systems.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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