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 Renovation - wiring

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SUSceo684
post Jul 25 2022, 11:57 PM

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QUOTE(livinginchangi @ Jul 20 2022, 04:26 PM)
I am buying a condo over 20 years of age. Do you suggest replacing the wiring of the whole unit? How much is the estimate price range for around 1200 sqf area with 2 bedrooms? Thanks guys.
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It depends on whether the wiring is properly installed or hack jobs from kitcab people.
The latter, u better replace, they anyhow install cheap wires.

So since ur doing refresh works
I would suggest refresh the DB box and bringing it up to code, that is, in terms of RCDs and MCBs.
Brand wise.. only trust ABB or Hager in Msia for the best. Hager cost more but equally good as ABB; usually spec ABB.
Like 30mA mains (whole house) and individual 10mA RCDs (PER water heater).

MCBs very cheap like RM7/8 each for ABB.


QUOTE(ongss @ Jul 21 2022, 11:17 AM)
Based on what I understand, the charging is based on the points, be it light or power socket. E.g. one light point is between RM 90 - RM140 (recent quotation I received). For 13A socket, RM 120 per point. 15A socket (for owen, washing machine, fridge), it is about RM 230 per point.

Have you checked the condition of the wiring?

I recently rebuild a new house. The wireman proposed 1.5m2 wire for the light. Out of curiosity, I checked my existing condo (which is 30 years old). The wire is much biger diameter. So, I think old propoerties used better quality materials. Of course, that also depends who was the developer.
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U need to check what cable size used for the 15A socket.
If 2.5mm then there's no difference from 13A socket wiring.

Last time copper not that expensive, they don't cheat.
Be aware if you're not using best name brand cables (MCMA cartel like Mega Kabel/Fajar) or better ones like Caramay - everything else that's not in that price bracket are all substandard cables.

QUOTE(oRoXoRo @ Jul 25 2022, 04:58 PM)
yeah same for my old house, now i am hesitating to replace all my old wires as they have better quality.
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Get a wireman to inspect the insulation and bring up the DB box to code also.
SUSceo684
post Jul 26 2022, 09:43 PM

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QUOTE(Alvan86 @ Jul 26 2022, 07:24 PM)
your light point and socket point quotation is rather expensive :0
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Paying top dollar should give good stuffs, but it seems that even paying top dollar also doesn't guarantee top notch services. doh.gif
SUSceo684
post Aug 5 2022, 05:58 PM

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QUOTE(zak3 @ Aug 5 2022, 04:57 PM)
wow... really? is the job they done..  mad.gif
im not a 'fan' of conduit running on 'floor'.. doesn't it suppoed to run on ceiling/under roof/anything above..  unsure.gif
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Floor easy to grind the trench ma.
China all use floor. brows.gif

QUOTE(ongss @ Aug 5 2022, 05:50 PM)
Amazed by the Data Centre electrician, right? His Myanmar subcontractor even placed the switches (light and fan) of the living room at the car porch.

user posted image
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I am amazed by his antics considering that yours is mainly brickwall and not RC walls. RC walls are a mess (hard work and the likes) to hack
SUSceo684
post Aug 5 2022, 11:04 PM

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QUOTE(ongss @ Aug 4 2022, 11:38 AM)
I have invited several electricians came to inspect and re-quote. Most of them were terrified by the quality and even suggested me to bring in Suruhanjaya Tenaga or CIDB as the foreigners that did the wiring obviously did not have the P4 wireman qualification. 

I have given my main con a dateline to settle this. Otherwise, I will upload the photo the FB groups to share the pains. https://www.facebook.com/groups/155815638381028/about has 121K members and another group https://www.facebook.com/groups/1465699686984899/about has 76K members.

The photo I showed were minimum, I have captured a lot others, e.g. wiring can be done the following:

No T-joint box was fitted
user posted image

Bedrooms have the following PVC conduit on the floors, to be covered by the 50mm cement rendering. But, my timber installer needed to have 40mm gap between the PVC conduit and the nails. VO price will be applied if I request to hack and embed the conduit into the slab. Prices quoted were supposed to be concealed last year.
user posted image
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Now that I have a little time to look thru.. the lack of T-joint means the cables are not mechanically protected. rclxub.gif

 

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