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The Appleton BB-400 conduit bushing is a non-grounding type BB bushing with a 4-inch trade size. These nonmetallic insulating bushings protect wires and cables at the entry and exit of threaded rigid conduit and IMC. They feature high-impact black thermosetting phenolic bushings with a UL temperature rating of 302°F.
Appleton BB-400 bushings are ideal for protecting cables in threaded rigid conduit and IMC applications.
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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