HOW TO PERFORM A SELF-TEST ON RCCBsymbol
Self-testing the RCCB in your house is simple and easy. This monthly
check might just save your life.

self test
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self test
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self test
If the RCCB does not trip, DO NOT use any electrical appliances in your house, especially the water heater,
kettle and other appliances that have metal surface/contact. Call a licensed electrical contractor IMMEDIATELY.