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Renovations 3-phase wiring
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Noobl3t
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 May 6 2014, 02:03 PM
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New Member
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QUOTE(klnaj @ May 6 2014, 12:29 PM) Hi guys, i have bought an old house and think of changing the single phase to 3 phase. I wonder do i need to re-wiring my whole house cables or basically changing the fuse box outside my house will do? 1) Upgrade of the fuse from single to three phase, you will have to be through tnb or ask electric contractor to help. 2) you have to change the distribution board mcb to 3 phase incoming and the bus bar to 3 phase. 3) no, you do not need to rewire the whole house. Forgot, to say elcb have to be three phase for incoming. Specifications must comply to local authority. This post has been edited by Noobl3t: May 6 2014, 04:59 PM |
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Noobl3t
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May 6 2014, 05:07 PM
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New Member
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QUOTE(weikee @ May 6 2014, 04:12 PM) And the purpose of all these without increase number of mcb and power points? unless your house already have 20 - 30 mcbs if not serve no purpose for changing 3phase. I answered based in his question. It's is dependent to his load usage. U can have 30 mcb, but u can still run it on single phase, dependent to load, e.g all lights. |
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Noobl3t
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May 6 2014, 05:08 PM
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New Member
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QUOTE(the s.crib @ May 6 2014, 04:58 PM) Hi hi, Just a question on 3 phase. Can a house have 2 3 phase meter? I have an issue with load due to the high electrical usage and was told that 1 3 phase meter is not enough. Just wondering what can I do about it? Adding more DB boxes as opposed to having 2 3 phase meters? Thanks If house try to arrange, big load mcb evenly on the phases This post has been edited by Noobl3t: May 6 2014, 05:14 PM |
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Noobl3t
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May 6 2014, 06:09 PM
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New Member
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QUOTE(weikee @ May 6 2014, 05:58 PM) And served no purpose just replacing incoming from single to 3phass without knowing the load and evenly distribution of the incoming.except giving more deposite for tnb to keep and installation fees. Maybe he is going to add multiple ac to his house? I don't know. He asked whether he can change to 3 phase without rewiring, I answered accordingly. The answer is no, u don't have to, just be aware your incoming mcb, elcb and bus bar which require to be changed. |
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