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The Steel City 531511234UB is a square box extension ring designed for electrical installations. This unit measures four inches square and is one and a half inches deep. It includes eccentric knockouts for half-inch and three-quarter inch conduits. The product helps extend electrical boxes where required, ensuring that wiring is protected and organized.
This extension ring is ideal for adapting electrical boxes that need additional depth for wiring or devices.
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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