Black NEMA L5-15P to User Attached NEMA 5-20R Power Cords is designed to adapt a Locking Outlet or Connector to a straight blade NEMA connector.


NEMA L5-15P

NEMA L5-15P


General Information:

The NEMA L5-15P is a 3 Wire grounded plug with a hot, neutral and ground pin rated up to 125V and 15A. The plug can be locked into place on the matching receptacle which prevents nuisance disconnection. This feature makes this plug popular in commercial and industrial settings where high traffic or moving of equipment is common. This plug can be distinguished against other NEMA Locking plugs by its small blade circumference on the plug head and inward turned tabs on the neutral blade.

What does the NEMA L5-15P Plug into?





NEMA L5-15R Connector
NEMA L5-15R OutletThe NEMA L5-15P connects to both the NEMA L5-15R Connector which is commonly found on extension cords and power drops, and the outlet which is commonly found in industrial and commercial settings where a locking feature is required to prevent nuisance unplugging of the device.

NEMA 5-20R (T-Slot)

NEMA 5-20R (T-Slot)

General Information:

The NEMA 5-20R (T-Slot) is a 3 wire grounded connector rated up to 125VAC and 20A. The 5-20R T-Slot receptacles are often used when 20A circuits are installed due to flexibility of being downward compatible with the 5-15P. The Receptacles are the defacto power supply for all of North America. This connector is found on our 5-20 Extension cord Series, used commonly for extending power from a standard NEMA 5-20R wall receptacle to a given location for convenience. It is commonly used with 12awg or 15awg depending on the application and the required amperage.

What does the NEMA 5-20R Connect to?





NEMA 5-15P Plug
NEMA 5-20P PlugThe NEMA 5-20R Connector is designed to connect to both the NEMA 5-15P and the NEMA 5-20P. The T-Slot allows both variations to be plugged in, making this connector more versatile and therefore more widely used across all industries.

Need help? Ask the experts!

With over 30 years of experience in the power and data industry, we have the expertise to help you find exactly what you are looking for. We're more than just an online store, we have experts in the power and data industry that can help you online, over the phone, or via email.


  • Have a request from a customer and not sure what you need? Let us quote it for you!

  • Looking for a specific product and can't find it? Let us find it for you!

  • Need a question answered quickly? Live Chat with us!


860.763.2100 or Ask us a Question