What a hassle! For some reason which I am very sure I know why… my developer only supplies us with a one phase electric power into the house. Shocking eh?
For this day this age, most of the houses in Malaysia are built with three phase!!! sigh…but, my developer went with one phase. It only makes sense since most equipment are getting more and more electric dependant. Even we humans are getting more electric dependant. Yes – we knew from the start that it is one phase before we buy. But, we love the location (well – more me than hub actually) and also it fulfilled most of our many requirement for a home. So, we went ahead with the purchase.
Anyway, back to topic…
I don’t have the right qualification to tell you the technical difference between one phase and three phase but if you Google it, there’s plentiful answers online. So, this post will not be dwelling on the technicality but more on my personal opinion.
For me, one major problem I worry I might face with one phase is the constant tripping of electric. As far as I know / experienced and told by friend, if you have the tenancy to switch on more than 3 air-condition at the same time with one refrigerator and the usage of washing machine / dryer, it might prompt the electric to trip. I am very sure one phase is pretty sufficient for a daily routine at home.
But, my biggest concern is when you are throwing a house party (which I foresee us doing quite a fair bit in the future). I have actually witness the circuit breaker explode and flamed up during one of my friend’s house party. Not a good thing to happen. It’s pretty dangerous too. So, hubby and I were pretty firm about changing to 3 phase.
And so, I would like to share with you my experience with the procedure to apply change from 1 phase to 3 phase inMalaysia. (Thankfully we learned it is at least equipped with 3 phase wiring from the sub station to our house. It is only from the meter to the DB inside which is one phase. IF your house doesn’t have that, the cost is even higher as the TNB people will need to patch one cable from the sub station to your house!!!)
Find a certified electric contractor. You can just ask your contractor and they will know who to find. (When we call the Tenaga / TNB, the electric utility company inMalaysia, we told that they only deal with a certified electric contract for this kind of changes)
The contractor will submit your IC and a form to TNB to start the process. You will need to increase your deposit to TNB
Once approved, TNB will send people over to change the meter outside your house to a 3 phase meter.
Contractor will replace the cable running from the meter outside to the DB inside with a 3 phase cable and also make the require changes in the DB to be able to handle 3 phase.
We are now waiting for the application to be approved. I wonder how long it will take…
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So happened to across your blog on this topic as i am going thru the same dilemma like you. Just wanted to know how much does it cost to upgrade from phase 1 to phase 2?
Do you have any contractor to recommend or need to refer to TNB side?\
Thanks and Regards,
Thanks for dropping by my blog. 🙂 Sorry to hear about your dilemma !
I upgraded my phase 1 to phase 3 about 4++ years back… I think it was about RM 1.5k for the contractor.
This amount was mainly to do the connection from my meter box outside to the inside main DB.
And, there was another amount as deposit to TNB (Phase 1 requires lower deposit).
We were lucky since the TNB box (the one down our street) was already in 3 phase…
So, there was no need to pull wire from the nearest 3 phase station !!! That would have been crazy.
If it’s a new area, maybe you can check with your developer? OR might need to check with your neighbour who have 3 phase?
Different area have different contractors who are approved by TNB to do this sort of upgrade work.
What we did was to get a certified contractor from our main contractor.
I was quite careful and I even called up TNB to verify that that ‘certified’ person is approved. ;p
Good luck !