Nema 6-15 for Gen 1 Connector and organizer.
https://shop.tesla.com/us/en/product/vehicle-accessories/model-s_x_3-cable-organizer.html
https://photos.app.goo.gl/UPk9vMwfyCtqH5Hs6
https://shop.tesla.com/us/en/product/vehicle-accessories/model-s_x_3-cable-organizer.html
https://photos.app.goo.gl/UPk9vMwfyCtqH5Hs6