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 Differentiate direct and loop points ?

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Jewyn
post Aug 25 2022, 10:39 PM

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Hi hope someone here can help.

My condo reno was almost done but I have just found out that all three-point plugs were looped from the existing plug points. They also looped the power point for the fridge to four other power points in kitchen, meant for microwave oven, kettle, rice cooker, blender.

The original power point for the fridge is 20Amp, 2.5mm cable. The contractor suggested to swap the MCB from 20Amp to 32Amp to solve the issue.

Is this workable? Will this pose electronical hazard or damage to the electrical appliances? Or shall I insist on pulling new wiring direct from DB? There will be some hacking and plaster ceiling work from DB to kitchen around 4m distance.

At the beginning I did tell the sales agent that all the three-point plugs especially to the kitchen must be new wiring pulled directly from the DB.

Thanks for any advice.

This post has been edited by Jewyn: Aug 25 2022, 10:49 PM
Jewyn
post Aug 27 2022, 11:55 AM

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QUOTE(stormer.lyn @ Aug 26 2022, 03:50 AM)
Absolutely DO NOT do this. The MCB serves to protect everything downstream, and that includes the 2.5 mm² wires from overheating and catching fire. Changing the MCB from 20 A to 32 A means the usage of all  the sockets may cause more than the rated amperes to flow in the wires, causing a fire.

Your best option is to pull new wires as you allude for the sockets that have high power appliances.


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QUOTE(ceo684 @ Aug 26 2022, 08:06 AM)

At the beginning I did tell  the sales agent that all the three-point plugs especially to the kitchen must be new wiring pulled directly from the DB.
Did you get it in writing? with a full set of LNE dedicated line and a dedicated MCB to be added inside DB box. DB box may (most likely) need to be upgraded with a bigger box to accomodate additional MCBs.
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Thank you stormer.lyn and ceo684 for your advice.

Quotation stated that, "TO LAY ADDITIONAL OR RELOCATE 13amp SOCKET POINTS C/W SCHNEIDER SOCKET, HACKING, CONCEALING WORK AND MAKE GOOD OF DAMAGE WALL. *1 NOS = RM150* Also, I clarified with main con that this means laying new wiring from DB.

Now that I have already paid for all these power points as part of the progress payment, but main con refused to rectify and asked me to hire another contractor to do it, because it involves reopening the plaster ceiling, hacking and painting.

Can anyone recommend a certified electrician? I will pull new wiring from DB as you suggested for safety purpose.


Thanks in advance.
Jewyn
post Aug 27 2022, 12:27 PM

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QUOTE(davidlow7 @ Aug 27 2022, 07:12 AM)
Also,  if the electricians are not following ST guideline -  do you know that you can report them to the ST? Make sure you have the documents and proofs -  I believe your sub con electrician are 80% not licensed one, and this is actually something that can be brought up.
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Thanks davidlow7.

How do I report to ST and how to collect documents and proofs? Today I have just found out that they already swapped the MCB from 20A to 32A although I asked them not to sad.gif

Thanks again.
Jewyn
post Aug 27 2022, 07:00 PM

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Thank you all for your advice.

I guess licensed or not, if the main contractor and electrician are responsible and professional, this issue will not arise.

Can anyone advise how to "collect proof" of the wrong wiring? and how much does it cost?

Thanks again.

 

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