● Ua hana 'ia nā mea nui o ka resistors me ka insulating a me ke ki'eki'e-mehana e like me ke kumu kū'ē, e'eha like me nā uea kila kila. ʻO nā mea nui i hui pū ʻia i loko o kahi mea paʻa, ʻaʻole i hoʻopilikia ʻia e ka ea o waho, ka haʻalulu a me ka lepo, me ke kūpaʻa kiʻekiʻe a me ka conductivity thermal.
● Hana ʻia ka pūpū alumini me ka alumini 6063 ʻoihana kiʻekiʻe, a ʻo ka ʻili he kiʻekiʻe-mehana anodized e hoʻokō ai i nā hiʻohiʻona nani a me ka hoʻopau wela nui.
● Hoʻohana ʻia ka insulation ma o ke kaʻina hana wela kiʻekiʻe.