Dab tsi yuav tsum them sai sai rau thaum twg thaiv cov pvc conduit?
Lub tshuab hluav taws xob pvc hluav taws xob yuav tsum tsis pub tsawg tshaj 500V, thiab qhov tsawg kawg ntawm tus neeg tsav tsheb yuav tsum yog 1 hli 2 rau tooj hlau-hlau thiab 5 hli 2 rau txhuas tub ntxhais hlau.
Tsis muaj qhov sib txuas ntawm cov xov hlau nyob hauv kab, los yog tsis pub nws nkag mus rau hauv cov hlau xaim tom qab tshuab thaiv rwb thaiv tsev.
Feem ntau, tsis pub tshaj 10 tus neeg nyob hauv qhov yeeb nkab yuav tsum raug tso cai rau, thiab cov neeg sib tw ntawm cov qhov sib txawv ntawm qhov sib txawv lossis cov sij hawm watt-teev yuav tsum tsis txhob nkag mus rau hauv tib lub yeeb nkab, tab sis ib lub cav yuav tsum muaj tag nrho cov neeg tawm ntawm kev tswj thiab cov teeb meem ntawm circuits, thiab cov circuits ntawm ntau lub cav ntawm cov khoom qub yuav tsum raug tso cai nkag mus rau tib lub yeeb nkab.
Tsis pub tus neeg tshais tawm hauv lub yeeb nkab steel tsuas yog rau tus neeg xyuas hluav taws xob DC thiab cov xaim av.
Thaum xa cov yeeb nkab, txoj kev uas siv txoj hlua khi yuav tsum tau txais, thiab lub hli khoov ntawm qhov khoom tiav yuav tsum tsis txhob siv, yog li kom tsis txhob muaj kev txuas ntau ntawm qhov muag qhov ncauj.
Cov kab no yuav tsum yog me me los yog khoov, vim tias qhov ntau tshaj ces kaum, qhov nyuab nws yuav yog. Hauv kev txhim kho xov daim duab, nws tau npaj tias yuav tsum tau muab lub thawv rau nruab nrab thaum tus kab xa kab ntau tshaj qhov ntev. Hauv kev cob qhia hluav taws xob hauv hluav taws xob ntawm Weikang Education, nws tsis muaj qhov siab, tsis pub tshaj 45m; ib lub kaum sab xis, tsis pub tshaj 30m; ob txoj hlua khi, tsis tshaj li 0m; peb kauv cov ces kaum, tsis pub tshaj 1m
Thaum lub sab nraud ntawm lub raj muaj tshaj li ntawm 1/3 ntawm tuab ntawm pob zeb, nws yog txwv tsis pub mus faus lub raj hauv pob zeb kom tsis txhob cuam tshuam rau lub zog ntawm pob zeb.
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