The cable model consists of eight parts:
1. Purpose code-not marked as power cable, K is control cable, P is signal cable;
2. Insulation code-Z oil-impregnated paper, X rubber, V polyvinyl chloride, YJ cross-linked polyethylene
3. Code of conductor material-not marked as copper, L is aluminum;
4. Inner sheath code-Q lead package, L aluminum package, H rubber sheath, V polyvinyl chloride sheath
5. Derived code-D does not trickle, P dry insulation;
Six, outer protective layer code
7. Special product code-TH wet tropics, TA dry tropics;
8. Rated voltage-unit KV
