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General Information:
The NEMA 5-20P is a 3 Wire grounded plug featuring two blades and one ground pin rated up to 125V AC and 20 Amps. The NEMA 5-20P is used in applications that require higher power draw such as large refrigerators, space heaters, large kitchen mixers, etc. The 5-20R T-Slot receptacle allows you to plug in either a 5-20P or a 5-15P plug, allowing greater flexibility. In modern home installations, 5-20R T-Slot receptacles are often used when 20A circuits are installed due to flexibility of being downward compatible with the 5-15P.
What does a NEMA 5-20P Connect to?
 |  | The NEMA 5-20 Plug connects to both the NEMA 5-20R Connector and the NEMA 5-15/5-20R Wall Outlet. The connector is commonly found on Extension cords, and the NEMA 5-15/5-20R Wall Outlet is the standard power supply outlet in all residential and commercial construction in North America. |
General Information:
The NEMA L5-20R Twist-Lock Connector is rated up to 125VAC and 20A. This couples with the L5-20P and locks into place, eliminating nuisance disconnection. This makes this connector common in commercial and industrial settings where there is high traffic. This connector is found on our L5-20 Extension Cord Series, which is used to extend power from an existing L5-20R wall receptacle or connector to a certain location for convenience.
What does the NEMA L5-20R Connect to?
 | The NEMA L5-20R Locking Connector is designed to be twisted into a locking position with the NEMA L5-20P Locking Plug. These are commonly used with smaller devices using a standard 125V Power supply, used in locations with high traffic. |
