IP44 Male Plugs and 3 Female Sockets, 2 Pin 250V 16A Electrical Plug IP44 Electrical Plug with Rubber Waterproof Electrical Outlet Male and Female Plug for Outdoor, for 6-10mm Cable - Walmart.com
Flat Rubber Cap Side Outlet Cord Plug - Hardware Plugs - Amazon.com
Flexible Rubber Grommets - .375'' to .25'' ID Wall Plate Hole Reducer
2 Prong Female Plug End with Rubber Shell | Snake Head Vintage
48 Pieces Electrical Outlet Extender Kit, Outlet Spacers Includes 24 Pieces 3 Inch/7cm Non Conductive Rubber Switch and 24 Pieces Extra Long 1-1/2 Inch 6-32 Thread Electrical Outlet Screws, Black - Amazon.com
178A Hose, Rubber Rolair Air Compressor Outlet Hose 3/8 X 18 – Tri City Tool Parts, Inc.