Mar 4, 2012 #1 E entei01 New member Mar 4, 2012 0 0 0 I know some of these are for ventilation but there is one with a black wire coming out of one of the vent (not covered) to the roof. Is this an electrical wire? should all vents have covers?
I know some of these are for ventilation but there is one with a black wire coming out of one of the vent (not covered) to the roof. Is this an electrical wire? should all vents have covers?