The HUBBELL 20A Watertight Twist-Lock Connector (L5-20R) is a shrouded locking connector rated for use in industrial and commercial electrical applications. It features a two-pole, three-wire configuration rated for 125V AC and 20 amps. The device includes a thermoplastic housing; see specifications for material properties, as well as a press-on closure cap to maintain its watertight seal when not in use.



Key Features of the HUBBELL 20A Watertight Twist-Lock Connector:


  • NEMA Enclosure Rating: Rated Type 4, 4X, and 12; IP66 rating per specification for protection against moisture and dust ingress.

  • Material Construction: Housing made from Valox (impact modified PBT); retainer is clear polycarbonate; screw material is stainless steel; contact material is brass.

  • Cord Accommodation: Accepts cord diameters from 0.36 in to 0.93 in; maximum wire size of 8 AWG and minimum wire size of 16 AWG.

  • Temperature Range: Operates between -40°C to +75°C with a temperature rise rating of up to 30°C.

  • Flammability Rating: UL94 V-0 flammability classification on insulation materials.

  • Electrical Ratings: Dielectric strength up to 2000V; horsepower rating at 1 hp; single phase operation with grounded design.

  • Connection Details: Standard wiring style using screw terminals with straight connection orientation; NEMA L5-20R receptacle configuration.

  • Resistance Properties: Impact resistance, moisture resistance, and watertight properties per manufacturers specifications

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