Agasanduku ko kwakirwa hamwe na kode yo kwishyiriraho

Gukurikiza amabwiriza yo kwishyiriraho amashanyarazi bizatuma ushyira amashanyarazi hamwe ninsinga byoroshye.Ntugashyireho amashanyarazi yawe gusa ariko nkuko biri mubitabo byigihugu gishinzwe amashanyarazi.Iki gitabo cyo kwishyiriraho kodegisi yakozwe kugirango ushireho ibintu byose amashanyarazi.Kubahiriza amategeko bizafasha muburyo bwo gukoresha amashanyarazi meza kandi meza.

Kugirango ugumane uburyo bwiza bwo gushiraho agasanduku k'amashanyarazi gakwiye biragaragara ko ari nkenerwa, uzagira igikoresho cyiza kandi gisa neza.Intsinga z'amashanyarazi zinyura mu rukuta no mu dusanduku tw’amashanyarazi zigomba gushyigikirwa no gushyirwaho hamwe n'uburebure buhagije bwo guhuza ukurikije aya ma code kugirango ushyire neza kandi byoroshye gukoresha.

1.Gufata insinga zo Kwiga

Muri codebook, igice cya 334.30 kivuga ko insinga ziringaniye zigomba kuba zometse kumurongo ugororotse aho kuba kumpera.Ibi bitanga insinga ifatanye kuri sitidiyo kandi ikarinda kwangirika kwicyuma.

2.Imiyoboro Yinjiza Agasanduku

Ugomba gusiga byibuze santimetero esheshatu ziyobora kubuntu mugisanduku gihuza intego yo guhuza mugihe insinga z'amashanyarazi ziva mumasanduku zijya kumasanduku.Mu ngingo ya 300.14, ubu buhanga burasobanuwe.

Niba insinga ari ngufi cyane, biragoye cyane gukora ihuza kandi mugihe ukeneye gukuramo insinga nkeya kugirango wongere wongere uhindure cyangwa usohoke, uzakenera santimetero nkeya zinsinga zikoreshwa.

3.Gushakisha insinga

Ingingo ya 334.30 ivuga ko insinga zisohoka mu dusanduku duhuza zigomba kuba zifite umutekano muri santimetero 12 z’agasanduku mu dusanduku twose dufite ibyuma bifata insinga.Izi clamps ntizigomba gukurwaho.314.17 (C) ivuga ko insinga zigomba kuba zifite umutekano mu gasanduku kakira.Nubwo, mu ngingo ya 314.17 (C) idasanzwe, agasanduku katarimo ibyuma ntigifite insinga kandi kigomba kuba gifite insinga zishyigikiwe na santimetero umunani zamasanduku.Muri ubwo buryo ubwo aribwo bwose, insinga ikingirwa ninsinga zituma itagenda mu cyuho.

4. Kumurika agasanduku k'ibikoresho

Amatara yamashanyarazi agomba gutondekwa kugirango ashyigikire amatara kubera uburemere bwayo.Mubisanzwe, utwo dusanduku twaba tuzengurutse cyangwa octagon.Uzasanga aya makuru mu ngingo ya 314.27 (A).Kimwe nikibazo cyabafana ba gisenge, urashobora gukenera gushiraho agasanduku kihariye ka bracket kugirango ufashe gushyigikira uburemere niba bushobora gushyigikira urumuri cyangwa igisenge.

5.Umugozi wa Horizontal na Vertical Cable

Ingingo ya 334.30 na 334.30 (A) ivuga ko insinga zikoresha mu buryo bugororotse zigomba gushyigikirwa no guhambira kuri metero 4 kuri santimetero 6, nubwo insinga zikoreshwa mu buryo butambitse zinyuze mu mwobo urambiwe ntizikeneye izindi nkunga.Mugukingira insinga murubu buryo, insinga zirinzwe kugirango zidacomekwa hagati ya sitidiyo.Ibikoresho by'insinga byatoranijwe bifite imisumari y'icyuma hamwe n'umusaraba wa plastike aho kuba shitingi.

6.Icyuma kirinda ibyuma

Birasabwa cyane gusuzuma ibintu byumutekano mugihe insinga zinyuze mumyobo irambiwe muri sitidiyo.Kurinda insinga imisumari hamwe nu byuma byumye, ingingo ya 300.4 ivuga ko hagomba gutangwa ibyapa byicyuma kugirango urinde insinga hafi ya 1/4 santimetero kuruhande rwumunyamuryango wibiti.Ibi birinda insinga mugihe cyumye.Ibi bigomba gukoreshwa muburyo bwa vertical- na horizontal-irambiwe umwobo ushyirwa aho ibyapa byicyuma bitwikiriye agace imbere yumwobo aho insinga zinyura.

7.Gusanduku

Ingingo ya 314.20 yavuze ko agasanduku kagomba gushyirwaho flush hamwe nubuso bwuzuye bwurukuta, hamwe nibishobora gusubira inyuma bitarenze 1/4.Iyi yaba impande yinyuma yumye.Gufasha muri uku kwishyiriraho, udusanduku twinshi tuzana ibipimo byimbitse bituma kwishyiriraho agasanduku byoroshye.Huza gusa ubujyakuzimu bwiburyo kumasanduku kugirango uhuze nubunini bwumye kugirango ushyirwemo, kandi uzagira agasanduku gakwiye.

8.Gushiraho insinga nyinshi kuri Cabling

Mu ngingo ya 334.80, 338.10 (B), 4 (A), ivuga ko iyo insinga eshatu cyangwa zirenga NM cyangwa SE zishyizwe hamwe zidahuye n'umwanya cyangwa ngo zinyure mu gufungura kimwe mu banyamuryango bashizeho ibiti bigomba gufungwa cyangwa gufungwa kandi aho kwiruka bikomeje kurenza santimetero 24, ubushobozi bwemewe bwa buri kiyobora bugomba guhinduka ukurikije imbonerahamwe ya NEC 310.15 (B) (@) (A).Gusubiramo ntibizakenerwa mugihe unyuze muri sitidiyo isanzwe yacukuwe.