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Locking Devices, Twist-Lock®, Industrial, Single Flush Receptacle, 20A 3-Phase WYE 277/480 AC, 4-Pole 4-Wire Non- Grounding, NEMA L19-20R, Screw Terminal, Nylon face, Back and side wire, Black Wire restraint recess for both back and side wiring, greatly reduces the possibility of loosening the terminal connection Face color coding by voltage facilitates locating and mating of proper devices All-brass mounting and grounding system provides a lower resistance ground path and greater resistance to corrosion than steel mounting systems Authorized Hubbell Distributor **Beware of buying counterfeit electrical products** Looking for a product you don't see? Call our knowledgeable sales staff 800-347-0794
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🇺🇸 Ship from USA · On Agora since 2026
$51.59