How To Coil Cables

To coil cables effectively, you can use the over-and-under method for short cables or the figure-8 (8-shaped) coiling technique for longer cables to prevent tangling and maintain flexibility. For professional or industrial applications, consider heat-setting the coiled shape using a winding rod and oven.

1. Over-and-Under Coiling (Short Cables)

Steps:

Hold the cable in one hand and let it dangle freely.
Loop the cable over your thumb in one direction, then under in the next loop.
Alternate directions to balance tension and prevent twists.

Benefits:

Reduces tangling and kinks.
Ideal for short audio/video cables or power cords.

2. Figure-8 Coiling (Longer Cables)

Steps:

Form a loop with the cable, then cross it to create an "8" shape.
Repeat, stacking loops neatly.
Secure with a Velcro strap or twist tie.

Benefits:

Prevents memory bends (where cables retain a coiled shape).
Suitable for studio cables, headphones, or extension cords.

3. Heat-Setting Coiled Cables (Industrial/Professional Use)

For permanent coiling (e.g., phone cords, spring cables):

Steps:

Wind the cable tightly around a cylindrical rod (e.g., a dowel).
Secure both ends with clamps.
Bake in an oven at 105–110°C (221–230°F) for 3–6 hours to set the shape.
Cool naturally or with forced air.

Benefits:

Creates a durable, spring-like coil.
Used in manufacturing for retractable cords.

4. Quick Tips for All Methods

Avoid Tight Circles: Overly tight coils can damage insulation or create memory bends.
Use a Winding Tool: For thick cables, a drill with a spool attachment can speed up coiling.
Label Ends: Tape or tag connectors to avoid confusion when uncoiling.

When to Use Each Method

Method	Best For	Tools Needed
Over-and-Under	Short cables (e.g., USB, audio)	Hands only
Figure-8	Longer cables (e.g., HDMI, power)	Hands or a coiling aid
Heat-Setting	Industrial/permanent coils	Rod, clamps, oven

Choose the method based on cable length, flexibility needs, and whether you need a temporary or permanent solution.

Custom wire harness assembly

Molded cable assembly

Data cable

Power cable

Printed Circuit Board Assembly