IDEAL Electrical 30-1161 #14-22 AWG Model 61 WeatherProof Wire Connectors (Gray/Orange, Card of 25)
DryConn Medium Waterproof Wire Connectors - Aqua/Red (20-Pack) | Outdoor | UL Listed | Weatherproof | 600V Rated in the Wire Connectors department at Lowes.com
DryConn Small Waterproof Wire Connectors, Aqua/Orange (20-Pack) 62114 - The Home Depot