look for signs of aging - cable become brittle/hard especially water heater and kitchen side.
breakers look for signs of yellowing/burnt mark. test all breakers for smooth switch on off. test the ELCB test button.
if u can, do modification so the bathroom water heater have its own ELCB 10mA
Electrical in older condo, Whether any issues to take note of
Mar 22 2019, 08:55 AM
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