It is specifically a NEMA L6-20R twist-lock receptacle/connector used for high-power 250V circuits.
Key specifications:
- Type: Locking connector (receptacle)
- NEMA configuration: L6-20R
- Electrical rating: 20 Amp, 250 Volt AC
- Poles / Wires: 2-pole, 3-wire grounding
- Grade: Industrial / heavy-duty
- Cord range: approx. 0.385″–0.720″ cable diameter
- Material: Impact-resistant nylon housing
- Use case: Equipment power connections, generators, industrial machinery, lab or rack-mounted gear requiring twist-lock safety connection


