Ngā Paerewa i muri i ngā mahi noa
ULSE e anga ana i ngā pana, ngā whakaoho, ngā GFCI me ētahi atu hua hei tauira o ngā whakaritenga haumaru e mahi ana i te nuinga o te wā kāore e kitea. E kī ana te tuhinga he tata ki te 125 ngā hua o tētahi whare noa o te US i hangaia hei whakatutuki i ngā paerewa haumaru.
UL 943 me te tiakitanga GFCI
E tohu ana te tuhinga i te UL 943 hei paerewa mō ngā GFCI, ā, e hono ana i te mahi a te taputapu ki te whakaiti i te mōrearea o te ru hiko. He whakamārama paerewa whānui tēnei, ehara i te taunakitanga tiwhikete mō tētahi tauira takitahi.
Te whanaketanga me te hangarau
ULSE e kī ana kei te whanake tonu ngā paerewa haumaru i te mea ka hono atu ngā kāinga me ngā taputapu, ka taea te whakahou. Nō reira, me aroturuki ngā tīma hua i ngā whakaritenga kua whakatūria me ngā paerewa hangarau hou ake.