Sib nqus dej phwj nkag mus rau hauv hluav taws xob
Feem ntau ntawm cov neon signboards yog siv rau kev tshaj tawm, thiab lawv feem ntau yog ntsia nraum zoov, cua thiab nag, thiab chaw ua haujlwm tsis zoo. Yog li, cov teeb meem nram qab no yuav tsum raug sau tseg thaum siv lub tshuab lim hlau:
(1) Ua tib zoo saib xyuas kev ruaj ntseg hluav taws xob thiab kev soj ntsuam kev nyab xeeb.
(2) Thaum nruab neon teeb, tsis txhob siv cov xov hlau ntev ntawm qhov kev hloov mus rau lub teeb. Nws txo cov kev hloov cav lossis kev ua haujlwm ntawm lub rwb thaiv tsev.
(3) Qhov ntev ntawm lub teeb uas tsav los ntawm txhua tus neeg hloov tshuab yog tsawg. Lub taub thiab ntev ntawm lub teeb rau txhua hom ntawm transformer load sib txawv. Thaum siv, koj yuav tsum tau siv txoj hauv kev piav qhia hauv Tshooj 14 ntawm Tshooj 5 los ua qhov kev sib piv.
(4) Nws yog txwv tsis pub hnyav dua tus neeg hloov tsheb. Thaum lub tshuab hluav taws xob yog overloaded, nws yuav tsis tsuas ua rau lub transformer tab sis kuj ua rau muaj kev nyab xeeb kev huam yuaj.