Yuav siv koj lub qhov (socket tester) li cas los kuaj xyuas qhov hloov pauv tam sim no (RCD)?
Ntxig lub tester rau hauv lub qhov hluav taws xob peb lub qhov hluav taws xob kom raug, RCD qhov hluav taws xob tam sim no yuav tshwm rau ntawm cov zaub, nias thiab tuav lub khawm RCD rau ntau tshaj 2 vib nas this, qhov hloov pauv ib txwm yuav mus rau lub sijhawm no, yog tias nws tsis ua. mus txawv tebchaws, nws txhais tau hais tias qhov hloov pauv tau ua tsis tiav. Thov nrhiav tus kws tshaj lij hluav taws xob tu lub sijhawm.
