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The SAFETY TECHNOLOGY INT'L INC KIT-H18021 is a 3/4-inch rigid conduit hub designed to provide a secure, weathertight entry point where rigid conduit meets an electrical enclosure, panel, or junction box. The hub threads onto the conduit and seats against the knockout, creating a sealed transition that protects wiring from moisture intrusion and mechanical stress. It is a standard component in fire alarm and electrical distribution installations and is typically installed by licensed electricians or fire alarm system technicians.
This conduit hub is suited for use in commercial and residential fire alarm system installations as well as general electrical conduit work. It fits standard 3/4-inch rigid metal conduit and is commonly installed at enclosure entry points where conduit must be terminated cleanly and securely. The unit is sold individually and is appropriate for new construction and retrofit applications.
Designed as an OEM-style replacement or standard-fit component for 3/4-inch rigid conduit termination points in fire alarm and general electrical enclosure applications.
Installation should be performed by a licensed electrician or qualified fire alarm technician in accordance with NFPA 70 (NEC) and applicable local codes. De-energize all circuits in the affected panel or enclosure before beginning work. Thread the hub onto the rigid conduit and tighten securely against the enclosure knockout to ensure a proper seal and mechanical connection. Inspect the seating surface of the knockout for damage before installation to ensure full contact.
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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