Puas yog EMT conduit galvanized?
Puas yog EMT conduit galvanized?

Video: Puas yog EMT conduit galvanized?

Video: Puas yog EMT conduit galvanized?
Video: UL 797 Galvanized Steel EMT Conduit Elbows 2024, Kaum ib hlis
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Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob EMT

Lwm qhov piv txwv ntawm cov hluav taws xob nruj Lub cev yog EMT (hluav taws xob hlau tubing), uas feem ntau yog ua los ntawm galvanized steel tab sis kuj tuaj yeem ua aluminium. EMT tseem hu ua "thin-wall" kav dej vim nws yog nyias thiab hnyav, tshwj xeeb tshaj yog piv rau RMC.

Ib yam li ntawd, nws tau nug, EMT conduit yog dab tsi?

EMT yog ib hom, thinly-walled kav dej yeeb nkab uas feem ntau xaiv nyob rau hauv qhov chaw ntawm galvanized rigid kav dej . Nws yog ua los ntawm coated steel thiab aluminium.

Ib yam li ntawd, galvanized conduit yog dab tsi? Nyuaj hlau kav (RMC) yog ib tug tuab-walled threaded tubing, feem ntau yog ua los ntawm coated steel, stainless hlau los yog txhuas. Galvanized txhav kav dej (GRC) yog galvanized steel tubing, nrog ib tug tubing phab ntsa uas tuab txaus kom nws yuav threaded. Nws cov kev siv ntau yog nyob rau hauv kev lag luam thiab kev tsim kho.

Hais txog qhov no, koj puas tuaj yeem siv EMT conduit sab nraud?

Nws tau siv sab hauv tsev, sab nraum zoov , hauv av, thiab hauv ob qho kev zais thiab nthuav tawm daim ntawv thov. IMC muaj phab ntsa nyias thiab hnyav dua li RMC. IMC tau siv rau tib daim ntawv thov raws li galvanized RMC. EMT yog lub lightest-weight steel kav dej tsim.

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: