ihe mkpuchi ụlọ ọkụ eletrik gụnyere ihe mkpuchi ngere eletrik eji maka ọkwa osisi, t post, post ígwè, post mkpanaka.

ma ọ bụrụ na eletriki nsu post insulator eji maka osisi posts, eletriki nsu insulator ga-n’ịnyịnya site ịghasa.

ma ọ bụrụ na eletriki ngere post insulator na-eji maka t post, ihe mkpuchi ọkụ eletrik nwere usoro pụrụ iche iji tinye na t post.

ma ọ bụrụ na eletriki nsu post insulator eji maka ígwè post, eletriki nsu insulator ga-n’ịnyịnya site ịghasa na nut.

ma ọ bụrụ na eletriki nsu post insulator eji maka mkpara post, eletriki nsu insualtor ga- amounted site plastic ịghasa.