Flat extension cord" which can pass through from the skimmer such as a petit, just under 0.9 mm in thickness, under the door, it will not stumble when caught - GIGAZINE
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Koumeican Flat Cable The thinnest Power Cord in The World-Thickness 0.9mm (0.003-Inch)-3m (9.84-Feet) White : Amazon.co.uk: Electronics & Photo
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Fosmon Surge Protector Power Strip Flat Plug, 4-Outlet Splitter Extender 1875 Watt 490 Joules, 3FT Extension Cord Wall Mount with 3 Prong - ETL Listed - Walmart.com
![Flat Electrical Power Extension Cord Cover - Length: 10FT - Color: Black - Under Carpet Extension Cord - Amazon.com Flat Electrical Power Extension Cord Cover - Length: 10FT - Color: Black - Under Carpet Extension Cord - Amazon.com](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61zcaVEaPtL._AC_UF894,1000_QL80_.jpg)