NEMA L21-20 Locking Plug

  • $ 13.95
    Unit price per 


 L21-20 Grounding Locking Plug

20 Amp

120/208Volt

4-Pole. 5-Wire

Turn & Pull

(UL) US Listed 91GG

Provide a cable of applicable ampacity, service and temperature rating suitable for the conditions of use and location.

This plug is designed for use with 3, 4 or 5 Conductor Cables with a diameter from .375” to .1.156” (12/3 SJ through 8/5 S). Gray colored cord clamp inserts preinstalled for use with .550” to .875” cable diameter. When making connections, make certain they are secure, properly insulated and there are no stray wire strands outside the terminals.