Kofin
Kofin suna da aka kategorize a kan nau'in yawan wani na gida da kuma yawan wani na gwanda.
Don istifada a cikin gida, tare da shawarar tsakiyar hawa da bukatar inganta, ana yi ra'ayi a baya ba tabbas babu ya fi shiga kofin idan akwai fadin da ya fi yin sa. Amma, idan mai amfani ke neman, za a iya bayarwa da kofin da suka da wurare masu ziyarta kadan. Kofin suna da kyau a koyar da lashe masu ranar da ma'amafuta.
Darajar da duka cikin kofin yana cikin IP20 ko IP23:
IP20 take magance mutane masu abubuwa mai zurfi da suke da mita 12 da kuma magance mutane masu kisan hankali.
Karin muhimmiyar IP20, IP23 take iya magance mutumai mai yanka mai girma a cikin fushi 60 daraja, wanda yake da shawarar amfani a cikin gwanda.
Abubuwan da ake amfani don kofin sun hada da sakewar ferfe, plastika mai injiki, sakewar ferfe mai sauƙi, sakewar alumiini mai sauransu, kamar haka.

Masu Tsakiyar Hawa
Duk masu tsakiyar hawa an fito da masu inganci tsakiyar hawa. Wadannan masu inganci suna neman da kuma tsara tsakiyar hawa ta hanyar PT thermistors wadanda suke a cikin masu tsakiyar hawa na haske, kuma sun fuskantar siffar digital ta hanyar interfayis na RS232/485. Zan iya bayarwa da wannan masu inganci waɗannan muhimman abubuwa:
A lokacin da ake amfani masu tsakiyar hawa, adadin hawa na masu tsakiyar hawa uku suke zama a cikin circuit.
Yana nuna adadin hawa na masu tsakiyar hawa mai tsarki.
Nuna alarami na hawa mai yawa da kuma kammala tsakiyar hawa mai yawa.
Alarami na kusa da kuma kammala fan.

Makamantattun Hawa
Tsunukan makamantattun hawa masu tsakiyar hawa mai karfin takwasu suna da AN (natural air cooling) da AF (forced air cooling).
Idan ake amfani AN (natural air cooling), za a iya amfani masu tsakiyar hawa da 100% na sarrafa ta a lokacin da ya faru.
Idan ake amfani AF (forced air cooling), za a iya samun 50% na sarrafa ta a lokacin da ya faru, wanda yake da shawarar amfani a kan abubuwan da suka faruwa ko amfani da kasa. Ba a yi ra'ayi a baya ba tabbas amfani da AF (forced air cooling) a kan amfani da kasa, saboda yana haifar da kasuwanci da kuma matsalolin kammalar.

Kudin Tasi
Duk cikin yanayin kudin tasi suna da fagen taka/dace, fagen taka/kasa, da kuma fagen taka/yamma.
Idan sarrafa ta ≤ 200 kVA, yanayin taka na musamman ce; fagen taka/yamma suna da shiga ta hanyar kable.
Idan sarrafa ta ≥ 1600 kVA:
An amfani da feeders na biyu na fagen taka da 10 (don 1600–2000 kVA) ko 12 (don 2500 kVA) don fagen A, B, da C.
Saboda fagen N yana cikin fagen taka, idan an neman fagen N a cikin fagen kasa, ana yi ra'ayi a baya ba tabbas fagen N ya shiga a cikin fagen taka.