Why does the ground wire have electricity?
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Ground wire, Ground wire Have you ever wondered why the ground wire or ground wire has electricity? If it is not caused by an electrical leakage, what other causes could it be? According to the electrical installation standards for Thailand, the main switchboard that is connected to the electrical system from the electricity meter will require the grounding point of the electrical system (the grounding point of the neutral wire must be on the input side of the first circuit breaker of the main switchboard. It is connected to the grounding rod through the main grounding wire. And install a main grounding wire connected by an electric wire or copper busbar from busbar N to busbar G in the main switchboard, which must be installed at only one point. However, if there is a misunderstanding in the installation of the grounding wire and neutral wire by connecting the ground wire to the neutral wire at another point after the main switchboard, it will cause the current to flow complete the circuit back to the source via the ground wire. For this reason, the ground wire is energized, which is unsafe and can cause the circuit breaker to malfunction. Therefore, the electrical installation standards for Thailand in Chapter 4, page 4-2, in subsection 4.3.1, prohibit grounding at other points on the output side of the main equipment. ========================================= ???? Electrical Installation Standards Book for Thailand, 2021 Edition ???? Lazada https://s.lazada.co.th/s.JrsGG ???? Shopee https://s.shopee.co.th/10kvrMQ6Jq ========================================= The Kop Engineer Shop link: https://shop.line.me/@thekopengineer ======================================== Contact us LINE ID : @thekopengineer LINE from link : https://lin.ee/aPpVIUY Youtube : / @thekopengineer Facebook main page : / the-kop-engineer-105270200913708 Facebook secondary page : / the-kop-engineer-103811448542690 Join as a channel sponsor and review products. Contact Line ID : @thekopengineer ========================================= Friends can join in supporting The Kop Engineer channel through Bangkok Bank (Bangkok Bank), account name Mr. Akkarapong Phrommasatit, account number 051-0-42328-8 Send proof of transfer to Line ID: @thekopengineer ========================================
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