Koronto - xadhig
Koronto - xadhig
Xadhkaha korontada waa qalab koronto ku xiran iyo qalab la xidhiidha sida furayaasha, kuraasta qaybinta, saldhigyada iyo xirmooyinka iftiinka ee qaab dhismeedka. Xiridda waxay ku xiran tahay heerarka amniga ee naqshadeynta iyo rakibidda. Nidaamka loo ogol yahay iyo qiyaasta cabirka iyo qiyaasta waxaa lagu qeexay sida ay u socoto xawaaraha socodka wareegga iyo awooda koronto ee hadda jira, iyadoo la xaddidayo xaaladaha degaanka, sida heerkulka heerkulka, heerarka qoyaanka, iyo soo-gaadhista qoraxda iyo kiimikooyinka. Qalabka ilaalinta wareegga wareegga ah, qalabka xakamaynta iyo qaybinta nidaamka dhismaha ee dhismaha waxay ku xiran yihiin farsamooyinka tamarta, hadda iyo shaqeynta. Xeerarka amniga ee kabaabinta waxay ku kala duwan yihiin deegaan, waddan ama gobol. Guddiga Caalamiga ah ee Farsamada Electrotechnical (IEC) ayaa isku dayaya in uu isuduwo heerarka xawaaraha ee wadamada xubnaha ka ah, laakiin isbeddellada weyn ee shuruudaha naqshadeynta iyo rakibida ayaa weli jira.
LiiskaEdit
Flexible cable (e.g., extension, power, and lamp cords) | |||
---|---|---|---|
Region or country | Phases | Neutral | Protective earth/ground |
Argentina, European Union, South Africa (IEC 60446) | |||
Australia, New Zealand (AS/NZS 3000:2007 3.8.3) | , (previously) | , (previously) | , (previously) |
Brazil | , | ||
United States, Canada (120 V) | metallic brass |
metallic silver |
, ; , green/yellow striped |
United States, Canada (240 V)[1] | Line 1, Line 2 | (Needed only if 120 V also is required.) |
, ; , green/yellow striped |
Fixed cable (e.g., in-, on-, or behind-the-wall cables) | |||
Region or country | Phases | Neutral | Protective earth/ground |
Argentina; China; European Union Africa(IEC 60446) from April 2004; the United Kingdom from 31 March 2004 (BS 7671); Hong Kong from July 2007; Singapore from March 2009; Russia since 2009 (GOST R 50462); Ukraine, Belarus, Kazakhstan | , , | [lower-alpha 2] | |
India, Pakistan; United Kingdom, prior to 31 March 2004 (BS 7671); Hong Kong, prior to 2009; Malaysia and Singapore, prior to February 2011 | , , |
| |
Australia, New Zealand (AS/NZS 3000:2007 3.8.1, table 3.4) |
|
[lower-alpha 3] | (since about 1980 - Stranded Wire) (since about 1966 - Stranded Wire) Stranded Wire - no insulation; sleeved at the ends (previously)[lower-alpha 4] |
Brazil | , , , | ||
South Africa | [lower-alpha 2] | ||
United States[lower-alpha 5] | , , for 120, 208, or 240 V , , for 277, or 480 V metallic brass |
for 120, 208, or 240 V for 277, or 480 V metallic silver |
no insulation required for isolated systems |
Canada[2][lower-alpha 5] | , for single-phase systems , , for three-phase systems |
, | , no insulation |
, for isolated single-phase systems , , for isolated three-phase systems |
, for isolated systems | ||
Boxes (e.g., translucent purple) denote markings on wiring terminals. |
Maaddooyinka lagu xiro hababka korontada gudaha dhismayaasha way kala duwan yihiin iyadoo ku xiran: Isticmaalka isticmaalka iyo xaddiga baahida korontada ee wareegga Nooca deggenaanshaha iyo baaxadda dhismaha Xeerarka qaranka iyo kuwa maxaliga ah Deegaanka oo uu ku xiran yahay xargaha. Nidaamyada xarkaha ee hal guri oo qoys ama labo dabaq ah, tusaale ahaan, waa mid fudud, oo leh shuruudo hoose oo awood ah, isbeddel ku yimaada qaabdhismeedka dhismaha iyo qaabeynta, sida caadiga ah oo leh qallal qallalan, heer dhexdhexaad ah iyo xaalado deegaan aan qoonsad lahayn. Deegaanka ganacsiga fudud, isbedelka xiritaanka badanaa ayaa la filayaa, qalabka waaweyn waxaa lagu rakibayaa xaaladaha gaarka ah ee kuleylka ama qoyaanka. Warshadaha culus waxay leeyihiin shuruudo dheeraad ah oo ku xiran kabka, sida tamar gaaban iyo isbeddel sare, isbeddelada isbeddelka qalabka dhismaha, qalajinta, ama qoyaanka ama qulqulka qarxa. Meelaha ku shaqeeya gaasaska guban kara ama dareeraha, shuruuc gaar ah ayaa laga yaabaa in lagu maareeyo rakibidda iyo fiilooyinka qalabka korantada ee aagagga halista ah. Fiilooyinka iyo cabirrada ayaa lagu qiimeeyaa awoodda wareegga, heerkulka heerkulka iyo xaaladaha deegaanka (qoyaanka, iftiinka qorraxda, saliidda, kiimikooyinka) kuwaas oo loo isticmaali karo. Xadhig ama cable waxay leeyihiin fiilo (dhexdhexaad) iyo qiimeyn heerkulka ugu sarreeya ee korantada. Qadarka hadda xadhig ama xarig si ammaan ah u qaadi karaa waxay ku xiran tahay xaaladaha rakibida. Qiyaasaha caalamiga ah ee tikidhada heerarka caalamiga ah waxaa lagu bixiyaa IEC.
TixEdit
- ↑ For connection information, see https://en.wikipedia.org/wiki/NEMA_connector
- ↑ (23rd ed.). Canadian Standards Association. 2015. Rules 4-038, 24-208(c). ISBN 978-1-77139-718-6. Maqan ama ebar
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