CHECK AND TEST 1
Verify whether wires are broken.
DIAGNOSIS 1
PROCEDURE 1
Cut off the wire.
Peel off the sleeves.
Ensure proper wire order and connect.
Tin soldering.
Cover connecting point with electrical tape.
CHECK AND TEST 2
Power on and perform a leakage test. Put one detector on earthing wire of socket, and another detector on surface.
DIAGNOSIS 2