Stranding Classes
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: Cables where extreme flexibility is required. (i.e. take-up reels)
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.
| Class |
14-2
AWG |
1-4/0
AWG |
250-500
MCM |
| B |
7 |
19 |
37 |
| C |
19 |
37 |
61 |
| D |
37 |
61 |
91 |
| G |
49 |
133 |
259 |
| H |
133 |
259 |
427 |
| I |
Combinations of 24 AWG Wires |
| K |
Combinations of 30 AWG Wires |
| M |
Combinations of 34 AWG Wires |
