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Crouse Hinds creates reliable electrical solutions. The MPN TP443 is a steel extension ring designed for four-inch square outlet boxes. This model features deep construction at two and one-eighth inches, making it suitable for a variety of electrical work.
This extension ring is ideal for installing electrical devices in exposed work applications, providing ample cubic inch capacity of 30.3.
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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