Abstract
A full-scale fire test was conducted on a kitchen arrangement containing a refrigerator, dishwasher, and electric clothes dryer. The fire was ignited by a heat source external to the appliances. Post fire analysis established the presence of arc faults on the appliances’ internal electrical wiring. This fire test establishes that while faults indicate that the appliances were energized when attacked by fire, they are not necessarily indicators that the fire originated inside the appliance. This fire test also demonstrates that an arc mapping analysis of an appliance requires knowledge of the internal configuration of the appliance and its wiring.
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