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ED & T Laboratory Case Study

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On February 28, 2017, a residence owned by Deanna Kivett in Moorefield, West Virginia, was damaged by a fire. Engineering Design & Testing Corp. (ED&T) was contacted in the matter on March 24, 2017. A camcorder battery (the battery), identified by the local fire department as a potential cause of the fire, was sent to the ED&T laboratory in Birmingham, Alabama, for examination. The purpose of the examination was to inspect the battery and determine if the battery could have been the cause of the fire. Figures 1-4 are included to enhance the narrative of this 3-page report.

The battery, as examined at the ED&T laboratory, is shown in Figures 1 through 3. The battery was manufactured by RCA, and is Model Number AV608. A label on the battery …show more content…
No breaches of the case were observed and all damage originated on the exterior surfaces. As such, the damage to the battery was the result of exposure to external heating exceeding the melting temperature of the plastic housing.

Per Adam Hackley, of State Farm, the fire took place in a room containing an accumulation of cardboard boxes. During firefighting, the boxes were displaced. The battery was packed in one of the boxes at the time of the incident. The battery was not charging at the time of the fire. It stands to reason that the battery was not installed in the camcorder at the time of the fire because three of four retention features securing the battery to the camcorder were not damaged.

Batteries experience self-discharge, a phenomenon where internal chemical reactions reduce the stored charge of a battery without a connection between the positive and negative terminals. Nickel-cadmium batteries are known to experience a high degree of self-discharge when compared to most other battery types. The estimated self-discharge is estimated to be 10 to 15 percent per month of non-use. Bearing in mind that the battery did not have a charge when tested and that the battery was in storage, it is reasonable to conclude that the battery charge was depleted due to self-discharge at the time of the

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