The HUBBELL 15A Locking Receptacle L7-15R is an industrial-grade electrical receptacle rated for use in indoor dry locations. It includes a twist-lock mechanism to prevent accidental disconnection and accommodates single-phase, 277V AC circuits with two poles and three wires. The device is constructed from reinforced thermoplastic (Valox) with all-brass contacts for reliable conductivity and includes a steel mounting strap for flush installation.



Key Features of the HUBBELL 15A Locking Receptacle L7-15R:


  • Amperage/Voltage: Rated for 15 A at 277V AC, suitable for heavy-duty industrial applications

  • NEMA Configuration: L7-15R, polarized design with twist-lock functionality

  • Construction: Reinforced thermoplastic body with single-piece brass contacts; impact resistant

  • Mounting Type: Flush mount with included screw-mount hardware and steel mounting strap

  • Wire Accommodation: Accepts #18 AWG to #10 AWG solid or stranded copper wire via screw terminals

  • Operating Temperature Range: -40°C to +75°C (without impact)

  • NEMA Enclosure/IP Rating: NEMA Type 1 enclosure, IP20 rated; intended for indoor use only unless further protected

  • Certifications: Listed to UL 498, CSA C22.2 No.42 certified, Federal Specification W-C-596 compliant

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