These cords have an oil- and water-resistant insulation and impact-resistant connectors for protection in harsh environments. Give the connectors a quarter turn to lock in place; they remaining secure in high-vibration applications. Choose from our selection of NEMA L16-20 plugs, including over 24,500 products in a wide range of styles and sizes.

20 Amp, 480 Volt 3-Phase, NEMA L16-20P, 3P, 4W, Locking Plug, Industrial Grade, Grounding - BLACK-WHITE. Leviton's Black & White line of industrial grade plugs, connectors, flanged inlets, and outlets offer superior performance, long lasting reliability and features that are backed by a limited lifetime warranty:

This AC WORKS brand NEMA L16-20P wiring device, in black, is made of a very durable construction able to withstand impacts, chemicals, and weather. It features a weather-tight seal and strain relief structure with SJT, SJO, SOO, STW, 12/4, 10/4, or 8/4 cables.

Industrial-strength, brass alloy plug blades and connector contacts resist heat rise, provide excellent conductivity. Raised ribs provide non-slip gripping profile for turning to lock and unlock. Double dovetail design provides superior protection against cord pull-out forces.

Locking Plug: L16-20P, 480V AC, 20 A, 3… Roll over image to zoom. These plugs have terminations with screws that tighten down on conductors to secure and disconnect them. Looking for L16-20P, Locking Plug? Find it at Grainger.com®. With over one million products and 24/7 customer service we have supplies and solutions for every industry.

Looking for L16-20P, Locking Plug? Find it at Grainger.com®. With over one million products and 24/7 customer service we have supplies and solutions for every industry.

Watertight Locking Plug: L16-20P, 20 A… Roll over image to zoom. These plugs have shrouds that extend around their opening to cover the pin terminals, deter touch with live currents, and protect against impacts and abrasion. They only mate with …