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Hubbell Insulgrip L6-20 Twistlock - Male Plug - Black

Hubbell Insulgrip L6-20 Twistlock - Male Plug - Black

Part Number: Hubbell HBL2321BK


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Hubbell Insulgrip L6-20 Twistlock - Male Plug - Black

Since 1929, when Harvey Hubbell obtained the first patents on Twist-Lock® devices and introduced them to the market, they have been the standard for the Entertainment Industry. Today, Hubbell Insulgrip Twist-Lock Devices continue to set the standard against which all quality industrial wiring devices are measured. The Insulgrip® line includes plugs, connectors, flanged inlets and outlets and flush mounting receptacles. With a single piece dust shield, tough nylon housing, visible identification and a roomy wiring chamber, these devices offer the most powerful cord grip in the industry.

The unparalleled acceptance and success of the Twist-Lock line is a tribute to the quality of this long lasting design. When selecting premium plugs and connectors for the Entertainment Industry, the decision is Hubbell.


  • Ribbed nylon housing provides a secure grip and impact and chemical resistance
  • Superior cord grip design protects terminations from excess strain
  • Ensures high performance, reliable terminations for maintaining trouble free connections
  • UL and CSA listed


  • Wiring Scheme: 2-Pole, 3-Wire Grounding
  • Amperage: 20A
  • Voltage: 250V AC
  • NEMA Configuration: L6-20R
  • Item Style: Insulgrip
  • Device Color: Black
  • Cord Dia.: .360"-.930" (9-24)
  • Blade Holder Material: Black Nylon
  • Terminal Retainer Material: Clear polycarbonate
  • Housing Material: Black nylon
  • Cord Clamp Material: Black Nylon
  • Terminal Clamp Material: .08" (2) steel-nickel plated
  • Terminal Screw Material: #10-32 Brass (white finish on neutral screw when used) Multi-drive
  • Ground Screw Material: #10-32 Brass (green finish) Multi-drive
  • Cord Clamp Screw Material: Steel, zinc plated Multi-drive
  • Body Holding Screw Material: Steel, zinc plated Multi-drive
  • Body Contact Carrier Material: Natural White Nylon
  • Contact Spring Material: Brass
  • Spring Binding Plate Material: Brass
  • Ground Contact Material: .031" (.8) Brass
  • Ratings: Molded In or Stamped On
  • Catalog No: Permanently ink marked on product
  • Dielectric Voltage Withstand: 2,000V minimum
  • Current Interrupting: Certified for current interrupting at full rated current
  • Temperature Rise: Max 30C temperature rise at full rated current after 50 cycles of overload at 150% of rated current at a power factor of .75.
  • Cord Accommodation: Round portable service cords of diameters commensurate with the device rating as defined in UL Standard 62, CSA C22.2 No. 49.
  • Terminal Accommodation: 20A #12 AWG
  • Terminal Identification: Terminals identified in accordance with UL 498 (X, Y, Z, White, Green)
  • 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)
  • Moisture Resistance: IP20
  • Listings: UL/CSA
  • Condition: New
  • UPC: 783585037844

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