Kufotokozera Kwachidule:

Kuzungulira kwachiwiri kwa transformer komwe kumagwiritsidwa ntchito kupereka mphamvu ku makina ogwiritsira ntchito magetsi

kapena chipangizo chotetezera metering chili ndi chipangizo choteteza fuse ndi soketi ya chingwe;

Kukula ndi mawonekedwe a soketi ya casing zikugwirizana ndi muyezo wa American IEEE Std 386.

Mapeto a soketi ya casing ali ndi mphamvu zambiri zoteteza kutentha, chitetezo chokwanira, komanso chotsekedwa bwino