Watertight Flanged Locking Receptacle, L7-20R, 20 A, 277V AC, Single Phase, 2 Pole, Flush Mount

The HUBBELL 20A Watertight Locking Receptacle is a flanged, flush-mount electrical device suitable for installation in environments requiring moisture and impact resistance. This receptacle includes a housing and cover rated for water ingress protection with a thermoplastic elastomer housing and cover, components constructed from materials rated for corrosion resistance, and is rated for single-phase 277V AC operation at 20 amps. It accommodates both straight blade and Twist-Lock® NEMA configurations and can be mounted to FD/FS boxes or directly to flat panels.

Key Features of the HUBBELL 20A Watertight Locking Receptacle:

• NEMA Configuration: L7-20R; locking type connection


• Current/Voltage Rating: Rated for 20 A at 277V AC, single phase


• Poles/Wires: 2 poles, 3 wires


• Cord Size Compatibility: Accepts wire sizes from #18 AWG to #8 AWG via screw terminals


• Material Construction: Impact resistant PBT lid/body; thermoplastic elastomer seal (no change; factual descriptor); nickel-plated brass contacts; stainless steel hardware


• Mount Type: Flush mount with rectangular flange design


• Enclosure Ratings: IP69K ingress protection; meets NEMA Types 4, 4X, 6, 6P, and 12 standards for water/moisture resistance


• Operating Temperature Range: -40°F to +140°F (-40°C to +60°C)


• Industry Standards Compliance: Meets ANSI standards as well as NEMA WD-1 and WD-6 requirements


• Special Features: Connection points constructed from materials rated for corrosion resistance suitable for wet or washdown conditions in industrial environments