Weather-Proof Cover, Self-Closing, 1 Gangs, 3.57 in Dia, 4.56 in Length, Panel Mount, Glass-Filled Thermoplastic, Gray, 3/4/5 Wire 20/30 A Locking Flanged Inlets or Outlets, Standards/Approvals: CSA C22.2 No. 18.1, 42.1 Certified|RoHS Compliant|UL 514C, 514D Listed