CB daim ntawv pov thawj
CB system (IEC system rau kev ntsuas kev sib raug zoo thiab ntawv pov thawj ntawm cov khoom siv hluav taws xob) yog ib qho thoob ntiaj teb ua haujlwm los ntawm IECEE. Cov ntawv pov thawj ntawm txhua lub teb chaws ntawm IECEE kuaj kev nyab xeeb ntawm cov khoom siv hluav taws xob raws li IEC cov qauv. Cov qhabnias xeem yog daim ntawv xeem CB thiab CB Daim ntawv pov thawj xeem yog ib qho kev lees paub ntawm cov tswvcuab hauv IECEE. Lub hom phiaj yog los txo cov kev lag luam thoob ntiaj teb kev lag luam uas yuav tsum tau ua raws li ntau lub teb chaws cov ntawv pov thawj lossis cov qauv kev pom zoo.
CSA ntawv pov thawj
CSA yog lub ntsiab lus ntawm Canadian Standards Association. Nws tau tsim nyob rau xyoo 1919 thiab yog Canada thawj lub koom haum tsis muaj txiaj ntsig rau kev tsim kho cov qauv kev lag luam. Cov khoom xws li cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob muag hauv North American lag luam yuav tsum tau txais ntawv pov thawj kev nyab xeeb. CSA tam sim no yog lub koom haum saib xyuas kev nyab xeeb loj tshaj plaws hauv tebchaws Canada thiab yog ib lub koom haum muaj ntawv pov thawj kev nyab xeeb nto moo tshaj plaws hauv ntiaj teb. Nws tuaj yeem muab ntawv pov thawj kev nyab xeeb rau txhua yam khoom siv hauv tshuab, khoom siv hauv tsev, khoom siv hluav taws xob, khoom siv computer, khoom siv hauv chaw ua haujlwm, kev tiv thaiv ib puag ncig, kev nyab xeeb hluav taws kub, kev ua si thiab kev lom zem.
