Kev sib xyaw ntawm cov khoom siv fais fab tiav

Lub zog ua tiav cov khoom siv feem ntau muaj cov hauv qab no:

Cov khoom siv tseem ceeb: xws li cov hluav taws xob hluav taws xob, cov khoom siv hluav taws xob, cov hluav taws xob sib txuas, cov khoom siv hluav taws xob, cov busbars, thiab lwm yam.
Cov khoom siv thib ob: xws li ntsuas ntsuas (ammeters, voltmeters), tswj cov teeb liab (lub teeb liab, khawm), cov khoom siv tiv thaiv relay, thiab lwm yam., siv los saib xyuas thiab tswj kev ua haujlwm ntawm cov khoom siv tseem ceeb.