Hana ʻia ʻo Rigid conduit Nipple mai ka pūpū conduit ikaika kiʻekiʻe e like me nā kikoʻī hou loa a me nā kūlana o ANSI C80.1 (UL6).
ʻO ka ʻaoʻao o loko a me waho o nā nipples ʻaʻohe kīnā me kahi wili wili maʻemaʻe, a ua uhi maikaʻi ʻia me ka zinc me ka hoʻohana ʻana i ke kaʻina hana galvanizing wela, no laila e hāʻawi ʻia ka pilina metala a me ka pale galvanic i ka corrosion, nā nipples me ʻO ka lōʻihi pōkole ua uhi ʻia ka uila a ʻoi aku ka lōʻihi me ka uhi ʻana o ka post-galvanizing e hāʻawi i ka pale hou aku i ka corrosion.