Hello. My house is old and have the live and neutral wires running from bobbin to bobbin in the attic space. I'm now installing a evaporative cooler and there will be flexible ducting all over the wires. So I was wondering if there are any regulation that state that nothing is allowed to touch the wires or sit on top of it. I'm still in the early install stages so if it is required that ducting be suspended away from the wires I can address it.