Video: Koj siv cov kav dej hlau li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
- Kauj Ruam 1: Anchor Boxes. Thauj tog rau nkoj hlau thawv rau phab ntsa nrog screws.
- Kauj Ruam 2: Ntsuas Cov raj . Thaum cov thawv tau teeb tsa, ntsuas qhov kav dej rau txiav.
- Kauj Ruam 3: Txiav Cov raj . Txiav lub kav dej kom haum nrog lub hacksaw.
- Kauj Ruam 4: Xaub hauv Cov raj .
- Kauj Ruam 5: Anchor Cov raj .
Ua raws li qhov xav tau, koj puas tuaj yeem siv cov kav hlau hlau sab nraud?
Nws threaded xaus yuav tsum threaded fittings. Qhov no nruj hlau kav tau pom zoo rau txhua daim ntawv thov sab hauv tab sis ua tau kuj siv tau sab nraum . Kua Tight Cov raj muaj nyob rau hauv ob qho tib si hlau thiab nonmetallic configurations; cov hlau configurations feem ntau muaj cov yas txheej los tiv thaiv dej los ntawm kev nkag mus.
Tsis tas li ntawd, qhov sib txawv ntawm cov kav dej yog dab tsi? Muaj xya ntau hom conduit siv feem ntau nyob rau hauv vaj tse thiab lub teeb lag luam thaiv.
- Rigid Hlau Conduit-RMC thiab IMC.
- Hluav Taws Xob Hlau Tubing-EMT.
- Hluav taws xob tsis yog hlau tubing-ENT.
- Flexible Hlau Conduit-FMC thiab LFMC.
- Rigid PVC Conduit.
Thaum twg kuv yuav tsum siv cov kav hlau txuas hluav taws xob?
Cov raj feem ntau tsuas yog siv qhov twg Circuit Court cov hlau raug (los yog nto-mounted lossis faus) thiab yog li xav tau kev tiv thaiv los ntawm kev puas tsuaj los yog ya raws. Cov raj muaj kev tiv thaiv rau cov kab hluav taws xob uas khiav hauv qhov chaw raug.
Yuav ua li cas koj txuas PVC rau hlau conduit?
Thaum twg koom hlau thiab PVC kav dej , siv ib tug txiv neej threaded haum rau lub PVC thiab threaded poj niam coupling ntawm lub hlau . Kuv nyiam xov yas rau hauv hlau tiv thaiv cov kab nrib pleb hauv cov yas. Tsis tas li ntawd dab tsi Bob hais, rub cov conductors tawm ua ntej ua hauj lwm ntawm lub kav dej.
Pom zoo:
Kuv puas tuaj yeem siv Romex hauv cov kav dej sab nraud?
Tsis yog Romex + sab nraum hauv conduit = qhov chaw ntub dej. Conduit uas tsis raug rau tej huab cua yuav OK, tab sis ob peb qhov chaw sab nraum zoov haum cov lus piav qhia. Cov kab hauv qab no yog qhov no: yog tias koj tuaj yeem siv NM nyob ntawd yam tsis muaj cov kav dej, ces koj tuaj yeem hnav nws hauv cov kav dej
Cov yam ntxwv twg ntawm cov hlau atoms pab piav qhia vim li cas valence electrons hauv cov hlau yog delocalized?
Ib daim ntawv cog lus hlau yog kev sib koom ntawm ntau cov khoom siv hluav taws xob sib cais ntawm ntau cov ions zoo, qhov twg cov electrons ua raws li 'cov kua nplaum' muab cov khoom tsim nyog. Nws tsis zoo li covalent lossis ionic bonding. Cov hlau muaj zog ionization tsawg. Yog li ntawd, valence electrons tuaj yeem raug delocalized thoob plaws hauv cov hlau
Vim li cas peb sib txuas cov kav dej thiab cov kav dej?
Main bonding - ntsuab thiab daj conductors uas txuas cov kav hlau (gas, dej los yog roj) los ntawm sab hauv lub tsev mus rau lub ntsiab earthing davhlau ya nyob twg ntawm lub installation ntawm hluav taws xob. Cov kev sib txuas no yog tsim los tiv thaiv qhov hluav taws xob txaus ntshai ntawm ob qhov khoom siv hlau, yog tias muaj qhov ua txhaum
Dab tsi yog qhov tseem ceeb tshaj plaws uas yuav tsum muaj rau cov kua dej ntws hauv cov kav dej Dab tsi lwm yam cuam tshuam rau cov dej ntws?
Thaum ib qho kev quab yuam sab nraud yog exerted rau ntawm cov kua uas muaj, qhov tshwm sim siab yog kis sib npaug thoob plaws hauv cov kua. Yog li txhawm rau kom dej ntws, dej xav tau qhov sib txawv siab. Cov kav dej kuj tuaj yeem cuam tshuam los ntawm cov kua dej, cov yeeb nkab loj, qhov kub thiab txias (cov kav dej khov), cov kua dej ntom ntom
Koj ntsuas cov kav dej li cas?
Kev ntsuas tawm ntawm Plumb ntawm Phab Ntsa Ntsuas phab ntsa nyob rau sab saum toj ntawm thawj chav kawm ntawm thaiv siv ib theem, laser theem, lossis cov kav dej. (Feem ntau kuv siv 2 "raws li qhov pib ntsuas lub hauv paus) Ntsuas tus lej ntawm cov ntsiab lus nce mus rau phab ntsa. Siv qhov ntsuas 2 "hauv paus thiab tom qab ntawd rho tawm qhov ntsuas me tshaj plaws rau tag nrho cov kev hloov pauv