Dec 31 2019, 09:11 AM
QUOTE(dudester @ Dec 31 2019, 08:11 AM)
Any idea why it decides to give way? The load has remained more or less the same for many years. But Yes they are as old as the house , more then 20 years.
It is probably the bad contact between fuse and clip or wire to the connector. When the contact is loose, it creates resistance and gets hot when large current flows through. And when continue in such condition, spark jump from contact to wire. That it where the sound come from.
Go to any electrical shop around your area. Those selling electrical parts like wire, mcb etc. Ask the boss some electrician contact.
Don't change back to fuse type. Ask the electrician change it to MCB 60A.
And ask him to check all the wire secure screw tight to mcb, rccb etc in the box.
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