Flexible conduit, Fluo/Neon Orange fabric covering, 20 mm
1m Corrugated Tube Auto Car Corrugated Tube Pipe Insulation Wire Harness Casing Corrugated Casing 6.5mm-29mm - Cable Sleeves - AliExpress
Φ1~40mm White 600°C HIGH TEMP Fiberglass Sleeving Wire Cable Insulating Tube | eBay
Amazon.com: D-Line White Cable Tube, 3' 7" Flexible Cable Management Sleeve, Wire Organizer to Hide Cords from TVs, PCs and Games Consoles - 1.25 Inch Diameter - 43 Inch Length : Electronics
Knob and tube wiring | HouseMaster
electrical - Extend Knob and Tube Wiring - Home Improvement Stack Exchange
Puty PVC Tube Pipe 1.5mm 2.5mm, 4mm Mmsq Cable Label for Cabel ID Printer - China PVC Tube and PVC Cabel
Shimano Di2 Ew-Sd50 E-Tube Wires | Jenson USA
Is my Knob and Tube Wiring Safe? - Penny Electric - Las Vegas Electrician & Electrical Services
Side-light Fiber Optic Tube - 5mm Diameter - 1 meter long : ID 4164 : $7.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Brand New 127pcs Heat Shrink Tubing Tube Wire Insulation Sleeving Kit Car Electrical Shrinkable Cable Wrap Assorted Polyolefin|Instrument Parts & Accessories| - AliExpress
Office Depot
1M 6.5mm 20mm Corrugated tube auto car corrugated tube pipe insulation wire harness casing corrugated casing|Cable Sleeves| - AliExpress
Can I Get Homeowners Insurance with Knob-and-Tube Wiring?
Polyolefin Tubing with Wire Marking | MISUMI | MISUMI
Amazon.com: D-Line Black Cable Tube, 3' 7" Flexible Cable Management Sleeve, Wire Organizer to Hide Cords from TVs, PCs and Games Consoles - 1.25 Inch Diameter - 43 Inch Length : Electronics