Dab tsi yog National Regulations for Explosion-Proof Junction Boxes

Lub thawv tawg-pov thawj hleb yog tsim los ntawm ob hom kev tiv thaiv thawj: gas tawg-pov thawj thiab plua plav tawg-pov thawj.

Rau roj tawg-pov thawj tiv thaiv, lub teb chaws tus qauv ua raws li wb 3836. Tus qauv no qhia txog cov txheej txheem thiab cov txheej txheem tsim nyog rau kev ua kom muaj kev nyab xeeb hauv ib puag ncig uas muaj cov pa phem tuaj yeem tshwm sim., xyuas kom meej tias cov thawv sib txuas tuaj yeem ua haujlwm zoo yam tsis muaj kev cuam tshuam cov huab cua phem.

Nyob rau hauv cov ntaub ntawv ntawm plua plav tawg-pov thawj tiv thaiv, cov txheej txheem tseem ceeb hauv tebchaws yog wb 12476. Cov qauv no qhia txog cov kev xav tau rau kev ua haujlwm nyab xeeb hauv ib puag ncig qhov twg hmoov av combustible tuaj yeem sau. Nws ua kom ntseeg tau tias cov thawv sib txuas muaj peev xwm tiv thaiv txhua qhov hluav taws xob los ntawm kev sib cuag nrog cov plua plav tawg., yog li kev tswj xyuas kev nyab xeeb hauv ib puag ncig zoo li no.