BX cable yog dab tsi?
BX cable yog dab tsi?

Video: BX cable yog dab tsi?

Video: BX cable yog dab tsi?
Video: Basic Electrical Wiring 1: BX Cable Splice, Jump Box to Box, Grounding, Cap Off, Adapter Cover 2024, Tej zaum
Anonim

BX Kab thiab Wiring Basics

Mus rau hauv lwm lub npe xws li cov xim hlau kab , ntaus AC, MC, Greenfield, lossis armored cable , BX kab yog sau los ntawm cov yas-txheej insulated xov hlau (feem ntau yog 14- lossis 12-gauge), ua ke ua ke thiab tiv thaiv los ntawm ib txoj hlua zoo li hlau sheathing.

Ntawm no, qhov txawv ntawm MC thiab BX cable yog dab tsi?

Rau cov neeg uas tsis paub nrog qhov sib txawv ntawm ob tug, BX muaj cov khoom siv hauv av ua ib feem ntawm cov cuab yeej tiv thaiv kab phab ntsa lossis tsho, qhov twg MC muaj ib qho "ntxiv" ntsuab xaim uas yog siv rau hauv av.

Tom qab ntawd, lo lus nug yog, BX cable puas nyab xeeb? Niaj hnub BX txuas, raug ntsia, yog nyab xeeb . Nws yog qhov lees paub rau qhov hloov tshiab ntawm National Electrical Code (2017 NEC Tshooj 320). Tab sis kev nyab xeeb ntawm uas twb muaj lawm BX qhov system nyob ntawm nws lub hnub nyoog, hom thiab nws tau teeb tsa li cas.

Hauv qhov no, BX xaim siv rau dab tsi?

BX kuj tseem hu ua Armor Clad lossis Cov Hlau Hloov Tau yooj yim kab . BX yog sheathed hauv cov hlau hloov pauv tau ua los ntawm txhuas lossis galvanized hlau. BX muab txhua qhov zoo ntawm NM kab ntxiv rau qee qhov txiaj ntsig ntxiv. Cov hlau hloov pauv tau yooj yim rau nruab, hais txog yooj yim li NM kab.

Puas yog armored cable yuav tsum tau grounded?

Yog hais tias lub fiber-optic kab hauv ib qhov system xav tau kev tiv thaiv ntxiv, muaj lwm txoj hauv kev los siv cov kab txuas lossis txuas nrog thiab hauv av coj kab , xws li tag nrho-dielectric armored kab . Vim tias tag nrho-dielectric armored kab tsis muaj cov khoom siv hlau, tsis muaj xav tau rau hauv av los yog daim ntawv cog lus kab.

Pom zoo: