Misali na Tsakiyar Dangaladu?
Tsakiyar dangaladu yana nufin tsakiya ko kundin da ake fada da kyau zuwa duniya. Tsakiyar dangaladu yana dacewa a cikin harshen "tsakiyar dangaladu" ko "case ground."
A cikin yawancin lokutan, tsakiyar dangaladu yana gudanar da case ko babban bahausa na kayan kasa, abubuwa, ko abincin aiki. Saboda haka, tsakiyar dangaladu yana dacewa a cikin harshen case ground.
Tsakiyar dangaladu yana amfani a kan al'amuran tsafta. A cikin yanayin daidai, tsakiyar dangaladu bai ya zama mai karatu.
Idan an yi wasu abin da ba da shiga, tsakiyar dangaladu yana bayar da tarihi da ke da zabi na da shiga. Kuma yana bayar da tarihi da ke da karatu a cikin lokutan da ba da shiga.
Saboda haka, karatu za a haɗa da tsakiyar dangaladu ba da jismi ko babban bahausa na kayan abinci.
Harshen "tsakiyar dangaladu" yana dacewa daga "tsakiyar dangaladu." Harshen "tsakiyar dangaladu" yana dacewa a cikin harshen "tsakiyar dangaladu neutral."
Amma yana dacewa a cikin harshen "tsakiyar dangaladu" ko "neutral conductor."
Tsakiyar dangaladu yana amfani a kan kammala tarihin circuit. A cikin yanayin daidai, karatu za a haɗa da tsakiyar dangaladu don kammala tarihi.
Wanda Yake Da Wata Tsakiyar Dangaladu?
Tsakiyar dangaladu bai da buƙata da ake magance. Zan iya samun da shi a cikin wata tsakiya. Idan an amfani da tsakiyar da ake magance a cikin tsakiyar dangaladu, wata shi ce daɗi ko daɗi-daɗi.
Daga IEC-60446, AS/NZS 3000:2007 3.8.3, da kuma BS-7671, wata tsakiyar dangaladu ce daɗi-daɗi.
A Braziliya, Indiya, da Kanada, an amfani da wata daɗi kawai a cikin tsakiyar dangaladu.
Yadda Ake Kalkulasar Tarihin Tsakiyar Dangaladu
Tsakiyar dangaladu yana amfani a kan bayar da tarihi da ke da karatu da ba da shiga don kawo kayan abinci zuwa tafarin da ba da karatu (voltage).
Kamar addinin, tarihin tsakiyar dangaladu bai da zama ɗaya daɗi na farkon tarihin phase conductor ko over-current device.
Daga NEC (National Electrical Code Academic and Science), tarihin daɗi na tsakiyar dangaladu yana farawa a cikin taulo ta haka.
| NEC Table 250.122 |
|
|
| Rating or setting of automatic overcurrent device in the circuit ahead of equipment, conduit, etc. Not Exceeding (Ampere) |
Size (AWG or kcmil) |
|
| Copper |
Aluminum or copper-clad aluminum |
|
| 15 |
14 |
12 |
| 20 |
12 |
10 |
| 60 |
10 |
8 |
| 100 |
8 |
6 |
| 200 |
6 |
4 |
| 300 |
4 |
2 |
| 400 |
3 |
1 |
| 500 |
2 |
1/0 |
| 600 |
1 |
2/0 |
| 800 |
1/0 |
3/0 |
| 1000 |
2/0 |
4/0 |
| 1200 |
3/0 |
250 |
| 1600 |
4/0 |
350 |
| 2000 |
250 |
400 |
| 2500 |
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