Watertight Locking Connector, L5-20R, 20 A, 125V AC, Single Phase, 2 Pole, Screw Terminals

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 manufacturer’s specifications