10-Pack of NIB Heavy-Duty industrial grade L14-30R locking connectors.  UL Listed, CSA Approved.  Rated for 30 Amps and 125/250V.  Commonly referred to as a "Twist Lock" connector or "Locking connector".  NEMA L14-30 connector mates w/ L14-30 male plug or inlet.  In Stock, ships within 24 hours from Raleigh, NC.