Overview
The Hubbell L5-20 receptacle is a industrial-grade twist-lock power receptacle rated 20A 125V, with a 2-pole 3-wire grounding system (NEMA L5-20R). This single flush receptacle features a high-impact, abuse-resistant nylon face and an all-brass mounting and grounding system. Suitable for commercial, industrial, and outdoor applications requiring secure, momentary disconnect capability.
Key Features
- All-brass components offer lower resistance ground path and superior corrosion resistance compared to traditional steel systems
- Wire restraint recess accommodates both back and side wiring, significantly reducing the risk of loosening terminal connections
- Voltage-specific face color coding aids in quick and accurate device location and mating
- High-impact nylon face for heavy-duty industrial environments
- Screw terminal or spring terminal options available
Technical Specifications
- Voltage Rating: 125V AC
- Current Rating: 20A
- Configuration: NEMA L5-20R (2-pole 3-wire grounding)
- Wire accommodation: #16 AWG – #8 AWG solid or stranded copper wire
- Operating Temperature: Maximum continuous 75°C; minimum -40°C (without impact)
- Dielectric Strength: Withstands 2,000V minimum
- Face Material: High-impact nylon
- Contact Material: All-brass
- UL 498, CSA C22.2 certified
- Mounting: Flush screw mount
Typical Applications
- Industrial equipment and machinery power distribution
- Outdoor or wet-location temporary power
- Heavy-duty commercial installations
- Film/stage lighting and AV equipment (L5-20 standard)
- Pool pump circuits and outdoor power stations
- Temporary construction power
Compatibility & Replacements
Compatible With
- Any NEMA L5-20P twist-lock male plug or power cord
- Industrial twist-lock power distribution systems
- Outdoor temporary power equipment and raceways
- UL 498 and CSA C22.2 compliant electrical installations
Replaces / Drop-In Replacement For
- Hubbell HBL2310 (screw terminal variant)
- Hubbell HBL2310ST (spring terminal variant)
- Other industrial L5-20R receptacles meeting NEMA L5-20R specification
Works With
- L5-20P male plugs and power cords
- Twist-lock power distribution equipment and switch boxes
- Outdoor and industrial electrical networks
- UL 498 compliant wiring systems










