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Renovations 3-phase wiring
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jojozep
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Feb 24 2011, 03:53 PM
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Getting Started

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I have a quote - it is really expensive to convert from 1 phase to 3 phase
especially if one hardly exceed the load factor.
Please give you comments..
1) To supply & install 25mm armoured cable from meter board to TNB pole..hacking and premix back.. rm5500 2) To supply & install 16mm armoured cable from TNB meter to DB box - rm2500 3) Supply and install 3 phase DB box with 60 amp ELCB,60amp main fuse and 32 MCB - rm1500 4)TNB meter submission form - rm1200
I know that item 4 , I can already do myself.
also item 1, looks damn expensive..I already hacked my front yard already--where got hacking charges?
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jojozep
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Feb 24 2011, 04:14 PM
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Getting Started

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QUOTE(hoilok @ Feb 24 2011, 03:59 PM) Have my contractor to lay the armoured cable from the access door to guard house area around 10m, there charge abour RM 800 only. Not sure why ur vendor so high cost maybe is very long and done by some local fellow not by major company he say 25 mm armoured wire very expensive.. access door - you mean the autogate pillar? because that is where most people relocate their tnb meter... I thought that major company more expensive than local fellow? He trying his luck with me...?
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jojozep
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Feb 24 2011, 04:51 PM
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Getting Started

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I think the 3 phase thingy is a only 'fear factor' and will not burn the house down.. True or not? if overload..it will trip...just an inconvenience. BUT the chance of tripping is slim...unless you are running a hotel in the house.
also preventive measures of tripping like
buy aircond invertor type- less current needed buy AAA type appliances switch on air-con not all at once and not all at 16 degree..
correct or not..?
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jojozep
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Dec 24 2015, 03:48 PM
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Getting Started

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Noticed smoke coming from my fuse next to meter. Called Tnb, they changed a new fuse but tell me to get wireman to change cable from 16 amp to 25 amp. Anyone can recommend an experienced wireman in Subang/puchong area? I have 4 aircon 2(1.5) aircon and 3 (1hp) aircon, do I need 3 phase?
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jojozep
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Dec 24 2015, 05:20 PM
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Getting Started

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QUOTE(sonerin @ Dec 24 2015, 05:06 PM) From my count there is total of 5 airconds. Is not necessary for 3 phase unless all of the 5 airconds on at the same time That night, I had 4 aircond running..due to guests come to stay. I see the tnb pole cable come to my top floor. thinking of 3 phases, as wifey wants another air con in dining and also the kitchen. How much is the approx cost? Previous wireman says he wired the house 3 phase ready, only need to connect 3 phase to tnb pole. Don't know got such thing or not. I rewired the whole house when renovated but did not go for 3 phase. How to verify what he says?
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