NYM (USB): description da kuma sake dubawa

A yi ko gyara na wani abu ba, ba tare da kwanciya ko sauyawa na lantarki networks. Kuma lalle ne, haƙĩƙa muhimmancin ne na USB iri. Cable kayayyakin for ciki wayoyi dole ba kawai cika da matsakaicin halin yanzu, kadaici, ya halatta zafi, amma wuta aminci da bukatun.

NYM na USB zane

Mafi mashahuri na USB kayayyakin a cikin 'yan shekaru ne NYM-na USB. Description da kuma halaye aka jera a kasa. Ya kunshi guda ko Multi-waya jan conductors ware daga melonapolnennogo PVC. Launi-masu lamba na USB wayoyi:

• 2-waya - black, blue.
• 3-core - kore-rawaya, black, blue.
• 4-waya - kore-rawaya, black, blue, da launin ruwan kasa;
• 5-waya - kore-rawaya, black, blue, da launin ruwan kasa, baki.

A matsanancin harsashi da aka sanya na PVC melonapolnennogo. Agảrả launi - haske launin toka. Total harsashi ne extruded melonapolnennoy roba.

alama

Type nadi na USB kayayyakin kunshi haruffa NYM, ya nuna:

• N - misali na USB (Jamus rarrabuwa).
• Y - kadaici da PVC (PVC a Turai fassarar).
• M - gaban m daina kai hare hare.

Bugu da ƙari hyphenated aiyuka alamomin J - gaban kore-yellow waya, ko game da - da samfurin ba tare da rawaya-kore jijiyoyinmu. Bayan da cewa saka da lambar kuma gicciye sashe, aiki irin ƙarfin lantarki.
Alal misali bai daya akan 3h2,5-0,66 NYM-J wakiltar wani misali na USB da wani m daina kai hare hare a PVC rufi tare da uku shugaba giciye-sashe na 2.5 mm² ga ƙarfin lantarki na 0,66 KV.
A lakabtawa na cikin gida masana'antun, kaucewa daga bukatun na Gost R 53769-2010 wannan na USB da aka alama NYM 3h2,5 ok (N, PE). Ga "o" - m shugaba (a madadin "m" -mnogoprovolochnaya) "k" - zagaye rayu, N da PE - sifili da m shugaba.
An sau da yawa ya ce ba don na USB da kuma waya NYM. Cable - abin da yake da shi? A definition ba a misali jihar, samar da: "Cable samfurin hada da daya ko fiye makaran conductors kewaye a cikin wani harsashi." Saboda haka, ya kamata ya kira NYM ba waya da kuma na USB.

Babban sigogi

Fasaha bayani dalla-dalla ne da muhimmanci ga duka biyu professionals da kuma gida sana'a:

• Rated ƙarfin lantarki - 0,66 kW.
• Aiki da yanayin zafi - daga -50 zuwa +50 ⁰ C.
• Mafi qarancin Gaza zazzabi - -5 ⁰ C.
• Mafi qarancin lankwasawa radius - ba kasa da 4 sau da na USB diamita.
• sabis rai - 30 years.
• Yawan tsakiya - daga 1 zuwa 5.
• Cikin kewayon giciye sassan - daga 1.5 zuwa 35 square millimeters
• Marufi - bays 25, 50 m, ko a kan drum ta 500 m.

Kuma ba shakka, mafi muhimmanci siga kabelya- ta canja halin yanzu. Aka ƙaddara dangane da sashe conductors, da hanyar adiko na goge baki a waje da yawan zafin jiki. Ga wani m kimanta ka bukatar amfani da tabulated data daga EMP:

Ya kamata a lura da cewa na USB za a iya samar bisa ga Turai matsayin (Jamus), Gost ko TU (fasaha bayani dalla-dalla). Recent ci gaba da manufacturer. Saboda haka, da na USB sigogi kamar rufi kauri, da juriya ga giciye sashe iya bambanta daga NYM masana'antun. Cable ratings, dangane da manufacturer, na'am biyu tabbatacce kuma ba haka ba.

Amfani ko rashin amfani

Kamar yadda da duk wani samfurin, da kwakwalwan kwamfuta na NYM-na USB. A bayanin da fasali da aka gabatar a kasa:

• High quality rufi abu. PVC plasticized zafi-resistant, ba ya goyon bayan konewa, shi ne m.
• Sauƙi na shigarwa. Saboda taushi filler m m cover za a iya sauƙi cire ba tareda žata na yanzu-dauke shugaba rufi.
• Quality conductive wayoyi na taushi da jan waya. Saukake juya ta samar da wata high quality-connection.
• Haske launin toka launi daga cikin matsanancin harsashi ne sosai dace domin sa alama a ballpoint alkalami ko alama a lokacin shigarwa.
• Long sabis rayuwa, misali na da shekaru 30.
• A na USB da aka ba da shawarar for waje da kafuwa, resistant zuwa hasken rana kai tsaye.
• sashe mismatch zauna a kayyade a cikin lamarin. Mun ji sau da yawa "saya NYM-USB, abin da yake wannan maganar banza?" Kuma duk abin da mai sauki ne: a yau samar da kayayyakin karkashin wannan alama ƙware biyu cikin gida na USB shuke-shuke, da kuma a cikin kusa kasashen waje. Kuma ba dukan su ba complied tare da Jamusanci nagartacce ko mu baƙi.

aikace-aikace

NYM - na USB wanda bayanin ya nuna cewa shi ne aka yi nufi ga guda gyarawa shigarwa gida kawai. Kwanciya a cikin wani katako, ba tare da ƙarin kariya ba a yarda. Har ila yau, ba su yi amfani da wannan alama na USB don kai tsaye dangane da wutar lantarki, kayan, a wani tsawo igiyar. Hanyar na kwanciya suna gudana da manufacturer ta shawarwari da kuma dokoki na lantarki da kuma wuta aminci takardun. Bayar kwanciya igiyoyi a cikin cavities da kuma tashoshi na bango bangarori, yankan GROOVES a cikin ganuwar a Layer na filastar a cikin shambura da lantarki conduits. Yana bayar da hujjar cewa NYM igiyoyi iya jagoranci da yardar kaina a kan katako, ganuwar, amma shi ba. Banana Installation dokoki a fili nuna yiwuwar kwanciya bude kawai a bututu ko ducts, da kuma boye a ciki da katako ganuwar - a karfe bututu na wani waya, gami da NYM. A na USB, wanda yana da hotuna na kasa, saka daidai.

na USB Selection

A kasuwannin gida ne yafi na USB kayayyakin na cikin gida da samar da ko "m" shuka. A lokacin da zabar wani look ga markings na wani tsanani na USB shuka ko da yaushe samun your logo ko sunan. Wannan shi ne akalla da ƙaramar, amma har yanzu wani lamuni na quality.

• Wani lokaci masu sayar bayar da shawarar maimakon yin amfani da SHVVP NYM, STS. Kada ka yi fada domin wannan zamba: SHVVP da PVA - shi igiya, NYM - USB. Description shirya wani mabanbanta filin na aikace-aikace. Igiyoyinsu - for dangane da iyali kayan da tsawo igiya, waya - domin ajali wayoyi.
• Yi amfani da igiyoyi zuwa uku kore da kuma rawaya rai ga cikin m duniya.
• Lokacin da zabi na USB giciye-sashe za a iya shiryar da mai sauki shawarwarin: lighting - 1.5 mm², domin mace cibiyar sadarwa - 2,5 mm², domin lantarki cookers da tanda da - 4-6kv.mm.
• Idan a cikin shakka kamar yadda na USB -priobretite karamin 1 mita isa. Duba USB flammability - rufi dole ba su goyi bayan kai-konewa.
• Shi ne kuma bu mai kyau zuwa duba giciye sashe. Idan babu mic, za ka iya kawai tam rauni 10 jũya daga danda shugaba a kan wani fensir. Kuma a sa'an nan auna tsawon wata al'ada Tuddan line. Rarraba shi da 10, mun samu ainihin diamita na waya.