NEMA L21-30P Locking Power Cord Plug Adapters

Adapt 208V plugs to a NEMA L21-30P plug to fit a 3-phase receptacle

Ships within 24 hours
Price updates when length is chosen

* Choose your female connector

SKU: L21-30P Adapters


 NEMA L21-30P Power Cord Plug Adapters

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Use an L21-30 pigtail power cord adapter to plug an electronic device with a 5-20P, L5-20P, L5-30P, 6-20P, L6-20P, L6-30P, or L21-20P plug into an L21-20R outlet or receptacle.  Uses heavy-duty commercial grade cord ends, and SOOW water and oil resistant cord. 

l14-20 adapter cord


  • NEMA L5-30P plug to the following connectors:
    • 5-20R, L5-20R, L5-30R
    • 6-20R, L6-20R, L6-30R
    • L21-20R
  • 1 foot length
  • Voltage rated for 208V
  • 12/3 AWG wire for 20A adapters, 10/3 AWG wire for 30A adapters
  • Heavy-duty water and oil resistant SOOW jacket


Male Plug                   L21-30P
Female Connectors      5-20R, L5-20R, 6-20R, L6-20R, L6-30R, L21-20R
Amperage 20A, 30A
Voltage 208V
Cord 300V SOOW
Wire Gauge 12/3 AWG, 10/3 AWG
Length 1 foot
Color Black

Note:  Make sure your component doesn't require more amperage than the outlet/socket allows

Technical Notes: Uses industrial grade twist locking plugs and connectors
Heavy-duty SJOOW cord made in America
Built and tested to UL standard 817

 Application Shots

nema l5-30p to l5-20 
  *Example shown is for an L5-30P Adapter