Wiring a Evaporative Swamp Cooler Switch - YouTube Feb 21, 2015Here is how to wire up a 120 volt swamp cooler switch controller. Wiring a Evaporative Swamp Cooler Switch aztikkel11. 🤗 Bonaire Durango Evaporative Cooler EASY product Installation SWAMP COOLER WIRING | Swamp Cooler | Evaporative Cooler - Often the best route for your swamp cooler wiring and water line between mechanical room and the attic is the flue chase. This is a very popular location for the wiring and water line, because the chase is accessible from both the basement or main level mech. room and the attic.