This AC WORKS brand NEMA L7-30R wiring device [ASL730R-BK] is made of a very durable construction able to withstand impacts， chemicals and weather. It has a weather-tight seal and a strain relief structure with SJT， SJO， SOO， STW 12/3， 10/3 or bigger cable specifications. This product features a locking connector， preventing items from becoming unplugged when in use. DIY products have a 1-year limited warranty.
NEMA L7-30R
30 Amp， 277 Volt， locking female connector
UL， C-UL Listed
Fast and easy install
Thick quality copper terminals
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