The higher-current versions are rare, with twist-locking plugs and direct wiring more common; generally 6--series non-locking plugs are used for such appliances as large room air conditioners, commercial kitchen equipment, and the occasional home arc welder.
The higher-current versions are rare, with twist-locking plugs such as L6-30 or direct wiring more common. Generally 6--series non-locking plugs are used for such appliances as large room air conditioners, commercial kitchen equipment, and the occasional home arc welder.