ZS-Solid Core Post Insulators;ZSX-Catanary Post Insulators;C-Operation Post Insulators;W-Anti-polusi Tipe;Numerator after frist"-"-Dipeunteun Tegangan; Denominator-Catilever Gagal Beban;N-Torsi Gagal Beban;L- Bottom sareng Top Fittings sadayana nganggo Screw Hole; Data saatos kadua "-"-Kelas Tingkat Polusi.
