The HUBBELL 30A Twist-Lock Plug L19-30P is a locking plug intended for use in industrial applications, rated for 30 amps and 277/480V AC in three-phase systems. It features a ribbed nylon housing with impact and chemical resistant properties, with a clear, funnel-shaped wire entry assists with wiring terminations. The integral dust shield includes an internal wiring chamber.



Key Features of the HUBBELL 30A Twist-Lock Plug L19-30P:


  • Amperage/Voltage: Rated for 30 A and 277/480V AC electrical connections.

  • Poles/Wires: Four-pole, four-wire configuration with screw terminal connections.

  • Cable Range: Accepts cord diameters from 0.350" to 1.150"; accommodates #16 AWG to #8 AWG stranded copper wire only.

  • Housing Material: Ribbed nylon construction offers impact and chemical resistance; black and white color scheme.

  • Cord Grip Design: Cord grip is designed to reduce strain on terminations during operation.

  • Environmental Suitability: For indoor dry locations; IP20 rated against solid objects larger than 12mm.

  • Operating Temperature Range: Maximum continuous temperature of 75°C; minimum -40°C (without impact).

  • NEMA Configuration: L19-30P twist-lock configuration; compatible with matching receptacles.

  • Standards Compliance: Certified to CSA C22.2 No.42, Federal Specification W-C-596, UL Listed to UL498 standards.

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