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The HUBBELL WIRING DEVICE-KELLEMS HBL2643 is an industrial-grade locking connector inlet rated for 480 volts and 30 amps in a NEMA L8-30R configuration. Built from Nylon with a self-grounding design, this 2-pole, 3-wire inlet is intended for heavy-duty power connections in demanding electrical installations. The IP20 ingress protection rating shields internal contacts from solid object intrusion, making it appropriate for controlled indoor industrial environments. Electricians and facilities maintenance professionals install this type of inlet where secure, twist-lock power connections are required at distribution panels, portable equipment, or generator receptacle applications.
This locking inlet is suited for single-phase industrial power distribution at 480 volts. Typical installations include factory floors, data centers, construction sites, and other settings where a reliable twist-lock connection prevents accidental disconnection under load. The L8-30R configuration is a standard designation for 480V, 30A locking connectors, making this part a recognized fit within industrial wiring systems that follow that configuration standard. Cord compatibility spans minimum cord diameters of 0.36 inches up to a maximum of 0.93 inches, accommodating a range of heavy-duty cord sizes common in industrial power applications.
Designed as an OEM-style industrial locking inlet for NEMA L8-30R applications in single-phase 480V electrical systems.
Installation should be performed by a licensed electrician in accordance with applicable NEC requirements for locking-type connectors and industrial wiring. Always de-energize and lock out the circuit at the breaker panel before beginning work. Verify that the cord and conductor gauge are properly rated for 30A at 480V before completing the termination. Do not exceed the listed cord diameter range when selecting compatible flexible cord.
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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