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The Topaz 663S is a one-inch EMT steel compression coupling designed to connect thin wall EMT conduit securely. This coupling provides a concrete-tight seal for reliable installation. It features a sturdy steel construction with zinc plating for added protection against corrosion.
This coupling is suitable for use in various electrical and conduit applications. Its compression connection ensures an easy installation process, making it ideal for both professionals and DIY projects.
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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