An raba wutar lantarki ta manyan hanyoyin samar da wutar lantarki guda biyu zuwa manyan tsarin wutar lantarki guda biyu: 220~240V/50Hz shine babban tsarin wutar lantarki, wanda ya shafi China (mataki ɗaya220V, mai matakai uku 380V), Turai (mataki ɗaya 230V, mai matakai uku 400V), Burtaniya (240V/415V), Ostiraliya da New Zealand, Kudu maso Gabashin Asiya da ƙasashen Afirka. Tsarin ƙarancin wutar lantarki 100-127V: Amurka da Kanada mai matakai ɗaya 120V, mai matakai uku 208/240V, 60Hz; 100V mai matakai ɗaya a Japan, 50/60Hz don sassan gabas da yamma, suna ba da fifiko ga aminci da ƙarancin buƙatun rufi.
Ka'idojin Kaya da Tsaro: Farantin ƙarfe na Sin (GB7251) mai birgima da sanyi/ƙarfe mara ƙarfe na ≥1.5mm don jikin akwati, sassan rufewa masu hana harshen wuta CTI≥600, juriyar ƙasa ≤0.1Ω, IP2X na cikin gida, IP54 na waje, takardar shaidar CCC ta dole. Gidan ƙarfe na Tarayyar Turai (CE/IEC) ya yi kauri kuma yana hana tsatsa, sassan da ba na ƙarfe ba suna hana harshen wuta UL94 V-0, kuma yana bin ƙa'idodin kariyar muhalli na EMC da RoHS sosai, tare da manyan ƙa'idodin share wutar lantarki. Ma'aunin Amurka (UL) ya dace da tsarin ƙarancin wutar lantarki, yana jaddada juriyar wuta da juriyar tasiri. Akwatin filastik yana da matakan hana harshen wuta masu tsauri, kuma an yi cikakken bayani game da ƙa'idodin ƙasa da fashewa. Ma'aunin Japan ya dace da ƙarancin wutar lantarki 100V, akwatin yana da sauƙi, buƙatun rufewa da juriyar zafi sun lalace, kuma matakin kariya ya dace da amfani a cikin gida. Duk ƙasashe sun haramta amfani da kayan da za su iya ƙonewa, waɗanda dole ne su cika buƙatun hana lalata, yin amfani da ƙasa, kariyar rufewa da kuma takardar shaidar gida.