1.5FT L14-30P Generator Plug to (4) Household Outlets with 20A Breaker – AC Connectors
Hillman 1.5-in Chrome Steel Hole Plug in the Hole Plugs department at Lowes.com
Sony EC-1.5BX 3.5mm Locking Mini-Plug to Female XLR EC-1.5BX B&H
Hot Tub PVC Plug - 1.5" Spigot – SpaDepot.com
Yosoo 1.5m Male Car Cigarette Lighter Socket Power Plug Adapter On Off Switch Fuse 12V 24V, Car Male Cigarette Lighter, Cigarette Lighter Connector - Walmart.com
1.5" Torquer Locking Well Plug - Enviro Design Products