1. (First byte) Format: H represents HARMONIzed (coordinating agency), A represents Other STD (other agency)
2. (2nd to 3rd bytes) Rated voltage value: 03=300/300V; 05=300/500V； 07=450, 750V
3. (4th byte) Basic insulation material: V=PVC; R=RUBBER (rubber); S=SI RUBBER (silicone rubber);
N=POLYCHLOROPRENE RUBBER (chloroprene rubber);
L=Glass RIBER
4. (5th byte) Additional insulation material: Same as above, add one more T=Textile (woven material)
5. (6th byte) Special parts: represented by D3, can save
6. (7th byte) Structure: H=FLAT SEPARATE CABLE, H2=FLAT NON-SEPARATE CABLE
7. (8th byte) Wire structure: F=thin flexible wire, H=extremely thin flexible wire
8. (9th byte) Number of cores
9. (10th byte) Grounding type: G=grounded; X=No grounding
10. (11th to 13th bytes) Sectional area: 0.75=0.75mm ²