A na -ejikarị insulators post na sistemụ dị ala dị elu, maka ngwa dị iche iche, enwere insulators post na insulators post.
A na -etinye insulators kwụ n'ahịrị n'elu osisi eletrik maka ahịrị nnyefe. Dabere na ojiji na ọnọdụ ọ wụnyere na osisi ahụ, a na -ekewa ndị na -etinye akara ahịrị n'ọtụtụ ụdị: Tie Top Line Post Insulators, Horizontal na Vertical Line Post Insulators, n'okpuru Arm Line Post Insulators na Clamp Top Line Post insulators.
Ndị na -ekpuchi ụlọ na -enye nkwado mkpuchi na nhazi maka ụlọ ọkụ, nnyefe na ikesa nkesa, yana ụlọ ọrụ ike ndị ọzọ ruru 1100kV.
Enwere ike iji poselin na silicone polymer mee post insulators. Emebere ha maka ahịa dị iche iche ma rụpụta ya ka ọ bụrụ ọkọlọtọ, ka ha nwee ike mezuo ihe achọrọ maka eletriki na igwe nke IEC, ụkpụrụ ANSI ma ọ bụ nkọwa ndị ahịa.