Retractile/Coil Cord Terms

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Coil Inside Diameter 

The straight, uncoiled sections of the retractile cord, located at each end. Tangents can either be Parallel to the coil or Drop 90 degree angle to the coil; this would be a Parallel Tangent.

The inside diameter of the

coiled section.

18          18 41/34

16          16 65/34

14          14 41/30

12          12 65/30

10          10 105/30

8             8 133/29

Retracted Section

The helical or coiled section of the product (coiled body length when relaxed)​.

Drop Tangent Configuration

The straight, uncoiled sections of the retractile cord, located at each end. Tangents can either be Parallel to the coil or Drop 90 degree angle to the coil; this would be a 90 Degree Drop Tangent.

Extended (Working) Length

The maximum distance that the retractile will extend to (stretched out length).

Retractile/Coil Body Diameter

The outside diameter of the retracted/coiled section.

Parallel Tangent Configuration

Stranding

Strand Configurations: When selecting the AWG and strands of the individual conductors, it is important to use flex type stranding. These are strand configurations that utilize multiple strands of fine wire, for flex life and flexibility.

Here are some "Rules of Thumb" to consider:

WIRE AWG/MINIMUM STRAND CONFIGURATION

32          32 19/44

30          30 19/42

28          28 19/40

26          26 19/38

24          24 19/36

22          22 19/34

20          20 19/32

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