Working electrical wires: Run a weather conditions-tight conduit from the outdoor electrical box to your condenser unit. Feed electrical wires from the conduit and make the necessary connections for the indoor and outdoor models. Seal up the opening in the wall working with expanding polyurethane foam. Spray increasing polyurethane foam https://cesaruusro.elbloglibre.com/29600735/the-air-conditioner-installation-diaries