Raws li cov yam ntxwv tshwj xeeb ntawm hluav taws kub- cov kab hluav taws xob tiv taus, cov neeg tsim khoom yuav tsum tau xyuam xim rau cov teeb meem hauv qab no thaum xaiv thiab tsim cov kab hluav taws xob:
(1) Thaum hluav taws kub- cov kab hluav taws xob tiv thaiv tau xa mus rau hauv cable- qhov tob tob lossis mezzanines, los yog nyob rau hauv qhov chaw uas muaj hluav taws kub hnyiab tau- xws li ze cov kav dej los yog cov chaw tso roj roj -Class A hluav taws- cov kab hluav taws xob tiv taus yuav tsum yog qhov kev xaiv tseem ceeb. Hauv cov xwm txheej uas tsis yog cov uas tau hais los saum toj no, thiab qhov twg cov cables raug txwv, Chav B hluav taws kub - cov kab hluav taws xob tiv taus yuav raug siv.
(2) Hluav taws kub- cov kab hluav taws xob tiv taus feem ntau yog siv hauv cov hluav taws xob hluav taws xob rau cov tshuab xwm txheej ceev, qhov uas lawv yuav tsum ua haujlwm ib txwm thaum hluav taws kub. Txij li thaum ambient kub nce sharply thaum lub sij hawm hluav taws kub, kom lub Circuit Court muaj peev xwm kis tau tus mob thiab txo qhov voltage poob, tus ntoo khaub lig-sectional cheeb tsam ntawm qhov hluav taws kub-resistant cable yuav tsum tau nce los ntawm tsawg kawg yog ib tug loj qeb rau circuits uas muaj cov khoom ntev los yog cov uas yuav tsum nruj txwv tsis pub voltage poob.
(3) Hluav taws kub- cov kab hluav taws xob tiv thaiv yuav tsum tsis txhob siv los hloov cov kab hluav taws xob siab -kub- tiv taus cables.
(4) Txhawm rau txo qhov tshwm sim ntawm kev sib koom ua ke ntawm cable tsis ua haujlwm thaum muaj hluav taws kub, cov pob qij txha yuav tsum tau khaws cia kom tsawg kawg nkaus thaum lub sijhawm teeb tsa kom ntseeg tau tias lub voj voog tseem ua haujlwm thoob plaws hauv qhov hluav taws kub. Yog xav tau kev sib txuas ntawm ceg ntoo, qhov hluav taws kub tsim nyog- yuav tsum tau siv rau kev tiv thaiv cov pob qij txha.
