1L14-20P is a NEMA configuration code that sets standards for the electrical industry insuring interchangeability with other devices of the same designation 2Features 3 Pole 4 Wire Grounding, NEMA L14-20P, 125V/250V 20A, Locking Plug 3Chemical- and impact-resistant housing, quick installation 4With long serving life, the number of pluggable is more than 20000 times 5Great for connecting to a generator with a 125V/250V volt outlet s: This plug features 3 Pole 4 Wire Grounding, NEMA L14-20P, 125V/250V 20A, Locking Plug.Great for connecting to a generator with a 125V/250V volt outlet.Chemical- and impact-resistant housing, quick installation. Features: L14-20P is a NEMA configuration code that sets standards for the electrical industry insuring interchangeability with other devices of the same designation. Features 3 Pole 4 Wire Grounding, NEMA L14-20P, 125V/250V 20A, Locking Plug. Chemical- and impact-resistant housing, quick installation. With long serving life, the number of pluggable is more than 20000 times. Great for connecting to a generator with a 125V/250V volt outlet. With CUL certification Specifications: Model: NEMA 14-20p Type: US four-hole power plug Rated voltage: 125/250V Rated current: 20A Power frequency: 50-60 (HZ) Payload: 6 (KW) Pluggable number: 500,000 (times) Package included: 1 x US Twist Lock Plug Note: It can be used in Europe and America, but it can't be used in Australia