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The Topaz 660SI is a 4" steel compression EMT connector with an insulated throat, designed for providing a secure, concrete-tight joining of thin wall EMT conduit to a box or enclosure. It is constructed from strong, resilient steel with a zinc-plated finish. It is NEMA/ANSI FB-1 compliant and UL listed.
The Topaz 660SI ensures a secure connection for EMT conduit, offering ease of use and reliable performance.
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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