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HUBBELL HBL2810 AC Receptacle NEMA L21-30 Female Black 120/208 Volt 30 Amp

HUBBELL HBL2810 AC Receptacle NEMA L21-30 Female Black 120/208 Volt 30 Amp

Documents [open in new window]

  1. Datasheet 1
  2. Datasheet 2
  3. COC

Additional documents may be available on request.


Product Item Single Receptacle
Wiring Scheme 4 Pole, 5 Wire Grounding
Amperage 30 Amp
Voltage 3Ø 120/208 Volts
NEMA Configuration L21-30R
Color Black
Terminal Clamp Material .040 in. Brass
Terminal Screw Material #10-32 Bronze
Ground Screw Material #10-32 Bronze
Contact Spring Material .040 in. Brass
Mounting Screw Material Steel-Zinc-Plated
Top Material Black Nylon
Base Material Nylon Polyester
Ground Contact Material .040 in. Brass
Bridge (Mounting Strap) Material .050 in. Brass
Back Plate Material .040 in. Brass
Rivet Material Brass
Auto Ground Clip Material Stainless Steel
Dielectric Voltage Withstands 2,000V Minimum
Temperature Rise Max 30°C temperature rise at full rated current after 50 cycles of overload at 150% of rated current at a power factor of 75%
Terminal Identification Terminals identified in accordance with UL498 (Brass, White, Green)
Terminal Accommodation #14 AWG to #8 AWG
Flammability HB or better per UL 94 or CSA 22.2 No. 0.6
Operating Temperatures Maximum continuous 75°C, minimum -40°C (w/o impact)
Certifications UL Listed, CSA Approved

Technical Notes

Mount receptacle in a single gang box. Face plates listed under the related items.

Twist-Lock was invented by Hubbell and is a patented term. Locking receptacles have the pins arrayed in a circular manner. The plug is inserted into the receptacle and twisted to lock in place.

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