When a plumbing contractor installed flexible corrugated stainless steel tubing (CSST) in a livestock barn in order to supply propane to ceiling-mounted heaters, he had no reason to envision the tragedy that would ultimately unfold. Little did he know that three years later, a high-voltage electric utility wiring short circuit nearby (approximately 500 ft from the barn) would cause the tubing to perforate and ignite combustibles in the ceiling area of the barn, starting a fire that resulted ...

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