Rcbo install like this, I think I kena upcar
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 Aug 12 2023, 08:49 PM
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Senior Member
1,132 posts Joined: Apr 2014 From: Shah Alam, Selangor 
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QUOTE(Pain4UrsinZ @ Aug 11 2023, 10:33 PM) this is the original one before the contractor me to add more point and rcbo. originally 2 water heater are connecting to 2 separate elcb and mcb, can this prove that it is using differen neutral ? This wiring is correct (.....well except for the 2.5 mm² wires used. Should be 4 mm²) with each Water Heater protected by an MCB (in case of shorting) and an RCCB (10 mA sensitivity, in case of current leakage)  Why did you install the additional RCBOs? |
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Aug 12 2023, 09:15 PM
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Senior Member
1,132 posts Joined: Apr 2014 From: Shah Alam, Selangor
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QUOTE(Pain4UrsinZ @ Aug 12 2023, 09:05 PM) Simply because I heard RCBO better Okay.Willing to spend money on this to make it safer then ppl just fkes it up Your contractor has rewired it wrong. If you can, just replace the two 10 mA Himel RCCB with the Schneider RCBOs. All wiring the same as original and you should be good for the water heaters. Both the Himel RCCBs have 2 in and 2 out wire connectors, as does the Schneider RCBOs. Swap 1-to-1, same hole to same hole - as per the original developer wiring |
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