I-Rigid conduit Nipple ikhiqizwa kusukela kugobolondo lomsele wamandla aphezulu ngokuvumelana nezicaciso zakamuva namazinga e-ANSI C80.1(UL6).
Ingaphakathi nezingaphandle zezingono azinasici futhi zinomthungo oshiselwe bushelelezi, futhi zimbozwe kahle futhi ngokulinganayo nge-zinc kusetshenziswa inqubo yokugcoba idiphu elishisayo, ukuze kuthintwa kwensimbi kuye kwensimbi kanye nokuvikelwa kwe-galvanic ekugqwaleni kuhlinzekwe, izingono ubude obufushane buyipuleti kagesi nobude obude nge-post-galvanizing coating ecacile ukuze kunikeze ukuvikeleka okwengeziwe ekulimaleni.