The dryers I've been around all have some arrangement to

remove power (or shut off the burner, if it's a gas dryer) if an

over-temperature condition occurs , so that a plugged dryer

vent (a common occurence) does'nt result in a fire.

The safety device is often a fusible link, so that if an over-temp

does occur the fusible link must be replaced.

YMMV - Good luck.
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