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The Southwire 55151-1/2 is a four-inch octagon extension ring designed for expanding junction box wiring capacity. Made from galvanized steel, this extension ring accommodates conduit runs and electrical wires effectively. It includes a combination of knockouts, offering one-half inch and three-fourths inch options for added wiring flexibility.
This extension ring provides extra space for wiring connections, enhancing installation efficiency. Its durable construction ensures longevity in various environments.
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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