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Air Handler & Electric Furnace Fires


Although fires do occasionally occur in air handlers and electric furnaces, the majority of the fires that I have investigated have been due to improper installation of the power cables. The power cable should be centered and clamped at the knockout hole so the cable will not chafe against the sharp edges of the knockout hole. Also, some installers run too many cables through the same knockout hole. There are a lot of independent people in the air condition repair business, who don't know anything about electrical codes.


My Home

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My Home - Air Handler without Romex Connector.

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Romex Connector.


Case #: F05-004 - Louisville, MS

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Distinct "V" Pattern Emanating at Knockout Hole.

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Arcing and Severed Wire (AWG #6) at Knockout Hole.


Case #: F03-35 - Magee, MS

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No Cable Clamp & Too Many Cables in Knockout Hole.

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Arcing, Severed Wires (AWG #6), Too Small of a Hole.

 


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