Southwire
4" square single device rings are used with 4" square boxes to mount switches, receptacles and devices.
Eaton Cooper Wiring Residential Grade Duplex Receptacle 15A, 125V White
Forney 50A Surface Mount Black 6-50R Pin-Type Welder Power Outlet
Makita 40V max XGT® Rapid Optimum Charger
Klein Tools Digital Circuit Breaker Finder with GFCI Outlet Tester
7-Day Mechanical Vacation Timer