Isicelo sokwenza isikhala sokuhlela esikhundleni sokuphathwa kwezinqubomgomo sikhulu, isikhala sokuhlela esikhundleni sokuphathwa kwezinqubomgomo sikhulu. Lisebenzisa kusuka kwi-3-35kv indoor switchgear, futhi libonisa kusuka kwi-cabinet yasekunene, ikhabhathi le-cabinet, ikhabhathi elihlelekile, ikhabhathi le-ring network, noma yilapho. Lisebenzisa kusuka kwi-circuit yasekunene evamile, ukubonisa okuchashazelayo, isicubungulo sokugcina nokukhuphula okuzimele. Lisebenzisa kusuka kwi-circuit yasekunene evamile, ukubonisa okuchashazelayo, nokukhuphula okuzimele.