Hi all, need new socket point for aircon but i juz found out my db box slot full already.. electrician suggest me add another 8way DB box... rm 1800 (+all the wiring work for air con)..

abit over my budget, anyway to save?

This post has been edited by miumiu1234: Jul 14 2021, 06:27 PM

just loop from another socket

wont overload?

Why would it?

Unless you are using some special aircon or that socket ring circuit is already heavily under load constantly

If that guy is qualified, he would have given advised based on safety after inspection.

Seek another opinion if you think he is over charging.

Get the electrician to check your existing DB for the least load then transfer that load to the next lightest load..

Swap out the now spare mcb with a 20/32A rated for your new Aircon pt. and pull the new wiring..

Need to use a clamp on current meter which a competent electrician should have..

Ask the existing electrician to quote and also bring in another electrician for comparison..

Edit* Electrical guidelines req that Aircon pt. is dedicated wiring and cannot share with another Aircon or looped from another 13A SSO pt.
(The reason is due to the high starting current of aircon compressor motor thermostat control from the indoor unit)

This post has been edited by Richard: Jul 15 2021, 05:47 PM

ok noted, i ask will them to quote again. Thanks man~

ok noted. Thanks.

I think he is.. other electrician laugh when i told them the charges.. haha.

combine some lighting mcb. usually using 10A which is overkill
then you have free slot for 20A for aircond.

yes.......that's the ideal scenario.

but in real world an inverter aircond compressor is soft start. and even in non-inverter the high starting current scenario isnt that bad when the run/start capacitor is in good shape/health.

Two years ago when I took over a subsale house, I change the DB box ... total labour RM230.

XD.. 1800.. LOL

Existing how many way?

Aiyo, just plug into normal 13A 3-pin socket will do. Normal 1hp is 4A only.

Damage = One 3-pin plug RM3 + 10 feet 3-core 2.5mm RM 40

Whoa. All that just for a new socket point? Can shift some wires and plug in the new one.

Currently my room only 1 socket. Using it to power my ac, 2 PCs, 1 router, 3 monitors and various chargers. So far been good. No problems at all. Sometimes I turn on all 3 also.. no problem. 😅

I have a quiz, if a power outlet does not connect the ground wire to the DB, can one connect the ground wire to any where else?

Answer is......NO!

Don't play with your life. Ground wire is for your safety if the connected device to that power outlet is faulty which leads to electrical leakage.

So play safe everyone. Life has no take two.

Its illegal and against the code to have 13A SSO without earth wire in the first place.

This post has been edited by ceo684: Jul 29 2021, 02:27 PM

You know it better...

Surahanjaya Tenaga Guide from 2008

http://ocw.ump.edu.my/pluginfile.php/11228...al%20Wiring.pdf