EMT conduit zoo li cas?

Video: EMT conduit zoo li cas?

2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17

Hluav taws xob hlau tubing- EMT

EMT yog kuj hu ua "thin-wall" kav dej vim nws yog nyias thiab nyias, tshwj xeeb tshaj yog piv rau RMC. EMT yog nruj tab tuaj yeem yog khoov nrog ib qho cuab yeej yooj yim hu ua a kav dej bender. Tubing nws tus kheej yog tsis threaded nyiam RMC thiab IMC. Qhov ntau thiab tsawg ntawm EMT suav nrog 1/2-nti, 3/4-nti, thiab 1-nti

Ua li no, EMT conduit yog dab tsi?

Rigid hlau kav dej (RMC) yog ib tug tuab-walled threaded tubing, feem ntau yog ua los ntawm coated steel, stainless hlau los yog txhuas. Hluav taws xob hlau tubing ( EMT ), qee zaum hu ua nyias-phab ntsa, feem ntau yog siv los ntawm galvanized rigid kav dej (GRC), vim nws tsis tshua muaj nqi thiab sib dua li GRC.

Ib tug kuj nug, Kuv puas tuaj yeem siv EMT conduit sab nraud? Nws ua tau siv sab hauv tsev, sab nraum zoov , underground, thiab hauv ob qho tib si zais thiab nthuav tawm daim ntawv thov. IMC muaj phab ntsa nyias thiab hnyav dua li RMC. IMC ua tau siv rau tib daim ntawv thov raws li galvanized RMC. EMT yog lub lightest-weight steel kav dej tsim.

Tsis tas li ntawd, kuv tuaj yeem siv EMT conduit qhov twg?

Flexible hlau kav dej yog qhov zoo rau cov cheeb tsam uas yuav tsum tau khoov nruj thiab kaw lub quarters yuav ua rau nws nyuaj rau khoov tsis tu ncua kav dej . Cov cua sov dej, lub teeb tuaj yeem, thiab lub qhov cua hauv tsev yog cov piv txwv zoo ntawm kev hloov pauv tau yooj yim kav dej kev teeb tsa. EMT lub cev yog lub teeb yuag, yooj yim rau khoov, thiab siv rau hauv cov phab ntsa.

Dab tsi yog qhov ntsuas EMT conduit?

Raws li tsab xov xwm 358 ntawm NEC, EMT muaj nyob rau hauv kev lag luam ntau thiab tsawg 1/2 txog 4. Sab nraud yog galvanized rau corrosion tiv thaiv thiab sab hauv muaj kev pom zoo corrosion-resistant organic txheej.

Pom zoo:

Koj khoov li cas 4 taw tes eeb hauv EMT conduit?

4 Point Saddle Bends Khoov cov kav dej mus rau lub kaum sab xis uas xav tau, 22 ° hauv peb rooj plaub. Xaub txoj kab nqes nqes mus txog rau 27 lub cim nyob hauv tib qho chaw, sab xis ntawm tus ntiv taw ntawm tus khoov, tig txoj kab uas hla 180 ° kom lub khoov yuav nyob rau hauv qhov kev coj rov qab, thiab ua thib ob khoov

Dab tsi yog qhov txawv ntawm IMC thiab EMT conduit?

Intermediate hlau conduit (IMC) yog steel tubing hnyav dua EMT tab sis sib dua li RMC. Nws tuaj yeem yog threaded. Hluav taws xob hlau hlau tubing (EMT), qee zaum hu ua nyias-phab ntsa, feem ntau yog siv los ntawm galvanized rigid conduit (GRC), vim nws tsis tshua muaj nqi thiab sib dua li GRC

Puas yog EMT conduit galvanized?

Hluav Taws Xob Hlau Tubing-EMT Lwm qhov piv txwv ntawm cov khoom siv hluav taws xob nruj yog EMT (hluav taws xob hlau tubing), uas feem ntau yog ua los ntawm cov hlau galvanized tab sis tuaj yeem ua txhuas. EMT tseem hu ua 'thin-wall' conduit vim nws yog nyias thiab hnav, tshwj xeeb tshaj yog piv rau RMC

Yuav ua li cas koj xam cov txiaj ntsig zoo thiab kev sib piv zoo li cas?

Cov ntsiab lus tseem ceeb Cov neeg tsim khoom uas xav tau cov khoom siv me me los tsim cov khoom zoo yog hais tias muaj qhov zoo tshaj plaws hauv kev tsim cov khoom zoo. Kev sib piv zoo yog hais txog lub peev xwm ntawm ib tog neeg los tsim ib qho zoo lossis kev pabcuam ntawm tus nqi qis dua li lwm tus