Ko ngā Whakarerekenga Tīwae he whai wāhi ki te tautuhi i ngā ara hiko, ki te tautoko i te tiaki, me te whakapau kia haumaru ai te pūnaha. He mea tino pai ki te wehe i ngā ara mātai, me te whakapau kia haumaru ai te pūnaga mō te tiaki, e taea ana e te Whakarerekenga Tīwae te mahi i ngā tikanga voltae, āhuarangi hoki e whakaahuatia ana. I hangaia ki ngā matēra kounga, ko te arotake ki te ao hou hei whakatau i ngā wāhi e rerekē ana o te taiao he tohu mō te tuku hiko māmā, haumaru hoki mō te whanui o ngā whakamahinga. Ko ngā hiahia o te tauwhāinga o te ao, ngā tikanga voltae teitei e hāngai ana me ngā whakaratonga e pakari ana ki ngā wāhi e rerekē ana o te taiao, kei te arataki ki te kiritaki.