Niaj hnub no, ntau thiab ntau lub hwj chim cables tau siv, thiab cov nplaim hluav taws xob hluav taws xob yuav raug xaiv.

Dab tsi yog qhov txawv ntawm nplaim hluav taws xob cables thiab cov cables zoo tib yam?

Dab tsi yog qhov tseem ceeb ntawm cov nplaim hluav taws xob hluav taws xob rau peb lub neej?

1. Cov kab hluav taws xob hluav taws xob tuaj yeem muab 15 npaug ntau dua lub sijhawm khiav tawm dua li cov xov hlau tsis muaj nplaim taws;

2. Cov khoom siv hluav taws xob hluav taws xob hluav taws xob tsuas yog 1/2 ntawm cov xov hlau tsis muaj nplaim taws;

3. Lub tshav kub tso tawm ntawm cov nplaim hluav taws xob tsuas yog 1/4 ntawm cov hlau tsis muaj nplaim taws;

4. Tus nqi ntawm cov pa phem uas tsim los ntawm kev sib txuas tsuas yog 1/3 ntawm cov khoom uas tsis yog nplaim taws;

5. Tsis muaj qhov sib txawv ntawm cov khoom siv hluav taws xob hluav taws xob thiab cov khoom siv hluav taws xob tsis zoo ntawm cov pa luam yeeb ua haujlwm.

(Cov nplaim hluav taws xob hluav taws xob yuav tsum raug tua tam sim tom qab tawm hauv qhov hluav taws xob qhib)

Cov hluav taws xob hluav taws xob hluav taws xob hluav taws xob tau muab faib ua peb qib: ZA ZB ZC.ZA muaj cov nplaim hluav taws zoo.Nws yog feem ntau siv nyob rau hauv lub sij hawm qhov twg

nplaim retardant kev ua tau zoo yuav tsum tau.Class A nplaim hluav taws xob hluav taws xob cables tuaj yeem kho raws li tus neeg siv xav tau.ZB thiab ZC nplaim taws-

retardant fais fab cables nkag rau hauv kev lag luam dav dav tuaj yeem ua tau raws li kev siv txhua hnub.