360 Yard Spool of Conductive Thread

It ain't wire - it's stainless steel THREAD, ideal for low power and signals routing.

Gutermann Natural Cotton Thread Solids 3,281 yd

Smooth Conductive Stainless Steel Thread Bobbin - 12m - RobotShop

Makeronics Conductive Thread 2 Bobbins 65ft/20m

New brothread 84 Spools (DIY to be 93 Spools) 360

Embroidery Machine Supplies

Conductive Stainless Steel Sewing Thread 7Ω - DFRobot

BCP Conductive Sewing Thread for Touch Screen Gloves Anti-Static Overalls

50mm Wide Faraday Tapes Copper Conductive Fabric Sticker Block

Sparkfun DEV-11791 - Steel Fiber Conductive Thread - 60 g - 329 m