Ho tloha ka 1958, kakaretso ea thekiso ea thepa ea li-Thunder, Lightning brand tempered glass insulator e fetile likotoana tse limilione tse 100, e leng karolo ea halofo ea naha le karolo ea botšelela ea lefats'e.
Glass Insulator e entsoe ka kepisi ea tšepe, likarolo tsa khalase tse thata le phini ea tšepe, tse kopantsoeng le sekhomaretsi sa samente.Pele ho bokana, karolo e ka holimo ea pini ea tšepe e fanoa ka gasket e bonolo, sekoti se ka hare sa sekoahelo sa tšepe le pinana e qetellang sebakeng sa ho kopana le sekhomaretsi sa samente se koahetsoe ka sekontiri.The gasket le sekontiri li sebelisetsoa ho buff haeba ho ka senyeha ha insulator e shebane le katoloso ea mocheso le ho honyela.Likarolo tsa likhalase tse thata li sebelisetsoa ho kenya insulate.
Li-Insulators tsa Glass li na le litšobotsi tsa boholo bo bonyenyane, boima bo bobebe, ho itšeha ho se nang boleng, le ho lemoha habonolo;matla a phahameng a mochine;khanyetso e ntle ea arc;tshebetso e ntle ya ho itlhoekisa mme ha ho bonolo ho tsofala.Ho phaella moo, thepa ea ho fafatsa e na le melemo ea hydrophobicity e matla, ho hanyetsa nako e telele ho tšilafalo, ho theoha ho tlaase ha metsi ka holim'a metsi, le ho hloka tlhokomelo nakong ea ts'ebetso;e sebelisoa haholo lipotolohong tse fapaneng lapeng le kantle ho naha.
Li-insulators tsa khalase tsa Disk li arotsoe ka Mofuta o Tloaelehileng, Mofuta oa Anti-pollution, mofuta oa DC, Mofuta oa Aerodynamic, Mofuta oa Likhopo le Mofuta oa Ground Wire.
