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Crouse-Hinds offers the TP428 square extension ring, designed for mounting in conduit applications. This product is constructed from steel and features a cubic capacity of twenty-one cubic inches. The TP428 accommodates multiple electrical devices and includes eight knockouts for half-inch conduits and four knockouts for three-quarter-inch conduits.
This extension ring is ideal for use in both commercial and institutional buildings. It is suitable for exposed work applications, ensuring reliable installations for electrical devices such as switches, outlets, and fixtures.
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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