The cord I use is twisted nylon (usually C-lon or Superlon brand) and is available in four different sizes. I favor the middle of the road size, which is .5mm in diameter. It will fit through an 11/0 seed bead and an 8/0 bead will accommodate two cords. Fiber in Jewelry: Micro Macrame
B.I.G. Tip of the Day! TEMPORARY Extension Cord Protection from the Family Handyman! The Family Handyman Temporary Extension Cord Protection - If you're having a party or some other event in the yard and you need additional electricity sources, here's a great way to keep extension cord plugs dry. Cut notches in the opposite sides of a reusable plastic container and snap on the lid. Your plugs will stay dry if it happens to rain or the ground is moist.
Kitchen appliances are very nice to have, but the cords drive me crazy! I solved my cord crisis by placing a Command Cord Bundler hook on each of my small kitchen appliances, so I can wrap and secure the cords out of sight when I’m not using them. Problem solved!