ZS-Solid Core Post Insulators;ZSX-Catanary Post Insulators;C-Operation Post Insulators;W-Nooca Ka-hortagga Wasakhowga;Tireyaha ka dib FIR"-"-Voltage lagu qiimeeyay Gunta iyo Qalabyada Sare dhamaantood waxay wataan Screw Hole; Xogta ka dib labaad" -" Heerka Wasakhowga.