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The LEVITON TELCOM 4550-IG is a locking duplex receptacle configured for NEMA L6-15 applications, featuring a 2-pole, 3-wire design. Locking receptacles are built for environments where an accidental disconnect is not acceptable — the plug twists and locks into place, maintaining a secure electrical connection under vibration or frequent contact. This receptacle is installed by licensed electricians in commercial, industrial, and heavy-duty residential settings where standard straight-blade outlets are not adequate for the load or the environment.
The L6-15 configuration indicates a 250-volt, 15-amp locking outlet rated for grounded circuits. This style of receptacle is commonly found in server rooms, light industrial panels, HVAC equipment connections, and portable generator hookups. The duplex design provides two locking outlets in a single device, making it practical for equipment installations where two circuits share a common outlet location.
Designed as an OEM-style replacement or new-installation locking duplex receptacle for NEMA L6-15 rated electrical circuits in commercial and industrial applications.
Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC). De-energize the circuit at the breaker panel and verify zero voltage with a meter before beginning any wiring work. Confirm the circuit is rated for 250 volts and 15 amps before installing this receptacle. Do not exceed the rated amperage of the device or the branch circuit it serves.
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