The HUBBELL 20A Twist-Lock Plug (L7-20P) is a locking plug designed for use in industrial environments, rated for 20 amps and 277V AC. It features a two-pole, three-wire configuration with a straight connection orientation and screw terminal wire connections. The plug includes a cord grip designed to reduce strain on terminations, as well as includes a dust shield intended to limit entry of contaminants into the wiring chamber.
Key Features of the HUBBELL 20A Twist-Lock Plug L7-20P:
- Amperage/Voltage Rating: Rated for 20 A and 277V AC single-phase operation
- NEMA Configuration: L7-20P (2 pole, 3 wire)
- Cord Range: Accepts cable diameters from 0.360" to 0.930"
- Wire Size Compatibility: Accommodates #16 AWG to #8 AWG stranded copper wire
- Material Construction: Nylon housing with brass blades; constructed with materials rated for resistance to certain chemicals and impacts per manufacturer specifications
- Operating Temperature Range: -40°C minimum (without impact) to +75°C maximum continuous use
- Ingress Protection: IP20 rating; suitable for indoor dry locations unless protected by additional means
- Standards Compliance: Certified to CSA C22.2 No.42, UL 498 listed, Federal Specification W-C-596
- Additional Features: Clear funnel-shaped wire entry for ease of termination; non-shrouded design; grounded configuration; flammability rating HB or better per UL94/CSA standards
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