Customer Reviews for Cooper Wiring Devices Black Nylon Body Power Receptacle, 10 - 4 AWG Conductor, 250 V, 50 A
Item # : 772577
Model # : 309-1252
Cooper Wiring Devices Black Nylon Body Power Receptacle has heavy gauge galvanized steel mounting strap and glass-reinforced nylon body.
- Conductor size: 10 - 4 AWG
- Voltage: 250 V
Price is $25.69
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1 review
Lightning Strikes
Posted Mar 30, 2026
Lost Ground Connection within a Year
After installing this for my EV charger, I started getting ground faults within a year. Discovered that the rivet had become loose and that the ground receptacle is not one piece, but rather two pieces which will result in a loose connection if the rivet comes loose. Avoid this plug. Also, mine was labeled as Eaton and not Cooper as the photos show.
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