Amazon.com: Nilight 220PCS Wire Screw Caps Kit 5 Sizes Electrical Wire Caps Assortment Spring Thread Insulated Wire Screw Terminals Twist on Wire Connectors for 22-12 AWG Wires, 2 Years Warranty : Industrial & Scientific
Wire Nuts - Temu
P71 inside color cable cap spring wire connector - Distribution board, circuit breaker, fish tape, cable marker,anti vandal switch, Thermostat: ezitown
Safely capping off old outlet? : r/HomeImprovement