Cov hlua txuas txuas yog siv los txuas clamps rau insulator, los yog txuas cov insulator thiab av hlau clamps rau ntau hom caj npab lossis cov qauv kev kawm. Txuas fittings muaj hom tshwj xeeb thiab ntau hom nyob rau hauv raws li mounting mob. Hom tshwj xeeb suav nrog lub pob-qhov muag thiab lub qhov muag-qhov muag txuas nrog cov insulators. Hom hom feem ntau yog pin txuas hom. Lawv muaj cov qib sib txawv raws li cov khoom thauj thiab sib pauv tau rau tib qib.