On (b)(6) 2017 - we requested the device be returned to the manufacturer.To date, we have not received the device.On (b)(6) 2018 - the device was returned to the manufacturer.Investigation is in progress.Manufacturers narrative: on visual inspection, the line cord was broken.The break happened just outside the strain relief.Once repaired the unit was tested and found to work as designed.During use, the line cord is flexed many times.During the flex stage, the strain relief provides protection related to twists and bending.The history of our strain relief and no other consumer complaints would suggest it is working properly under normal use and that this case is abnormal.Seems the line cord was abused as there is significant wear at a specific location.Ul requires extensive testing related to the line cord flex - which we comply with.Not knowing the use patterns of this consumer reduces the chances of modifications with success.
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