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Charlie noted some may not know what an attic fan is: Back in ancient times before A/C was common, houses in the South often had attic fans, what they call today whole house fans. There would be a louvered opening in a hallway ceiling and a large fan, 36 to 48" diameter in the attic. You'd leave the house windows open and this thing would exhaust heat from the house into the attic and out the attic vents. As kids we'd wait until the coast was clear and then close all the windows but one and stand in the huge blast from that window. You were warned not to close all the windows with the fan on because it could pull the wallpaper off the walls! Sometimes it would slam doors to a room if a lot of air was coming from that room.
Those pad mounted transformers for underground wiring: I saw one with the cover off one time and it looked like a gigantic bare audio output transformer with the usual E and I laminations, and a bunch of screw terminals.
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Reece
Perfection is hard to reach with a screwdriver.
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