the fuse wire in the circuit is of higher capacity

the kettle is not earthed

there is no water in the kettle

the safety plug has become defective

335 Degree C

635 Degree C

735 Degree C

1035 Degree C

550 Degree C to 700 Degree C

700 Degree C to 850 Degree C

750 Degree C to 900 Degree C

800 Degree C to 850 Degree C

0.01 mega ohm

1.00 mega ohm

1.00 kilo ohm

0.01 kilo ohm

all points for possible leakage

the thermostat setting

all wirings for loose connection

elements for its condition