Product Description Replacement Lid Switch for Whirlpool part 279347. This switch stops the tub from moving when you open the lid while it is turned on. It is a 3 wired switch, NC, NO & Comm. Some installations are 2 wired, if that is the case, hook up to NO or NC terminal, whichever is marked on your old switch, leave the other terminal bare. Included with the switch is: 2 Levers 2 Mounting Screws 2 1/4" insulated female Terminals This door switch fits specific Whirlpool manufactured washers and dryers including Kitchenaid, Roper & some Kenmore's.