Copper Wire Stranding Data

STRANDING CLASS USES

Concentric-lay Conductors
Class B	Power cables.
Class C	Power cables where more flexible stranding than Class B is desired.
Class D	Power cables where extra flexible stranding is desired.

Rope-lay & Bunch stranded Conductors*
Class G	All cables for portable use.
Class H	All cables where extreme flexibility is required, such as for use on take-up reels etc.
Class I	Apparatus cable and motor leads.
Class K	Cords and cables composed of No.30 AWG copper wires. Stationary service.
Class M	Cords and cables composed of No.34 AWG copper wires. Constant service.