Bambanci tsakanin MCB, RCCB, da RCBO

1.McB (mafi kutse mai kewaye): Babban aikin yana aiki da kariyar da'ira, aiki kamar "haɓakawa Fuse" don da'awar gida ba tare da damuwa ba ga baƙin ciki.

2.RCCB (Ragowar Matsayi na waje): Ayyukan babban aikin shine kare yanzu. Yana yi tafiye-tafiye lokacin gano mashigar gidan wuta (lalataccen yanki zuwa ƙasa) amma ba ya hana ɗaukar nauyi ko gajeren da'irori.

3.RCBO (Ramin Nasako na yanzu tare da Kariya na Tsaro): Ya haɗu da ayyukan MCB (babban mai kewayon yanki) da RCCB (RANAR CIGABA DA AKA YI KYAUTA, KYAUTATAWA, ya sanya shi mafi cikakken aiki.

A saukake, MCB yana karewa daga gazawar "zagaye," yayin da RCCB ya kare a kan "rawar jiki." Wani Rcbo yana ba kariya daga duka.