We have all been guilty of this at one time or another weather we admit it or not. A start or run capacitor can be combined into one capacitor called a dual capacitor with three leads but can be split between two separate capacitors. 440 Volt 45 5 Mfd Dual Rated Motor Run Round Electrical Ac Capacitor Cost Price Guide For Replacing In Home Air Diy Discharging Ac Capacitor Ac Capacitor Diy In this video i find a great example of exactly why you should never just replace the run capacitor without at. Discharge run capacitor . I intend to replace the capacitors on my house air conditioner condenser. How safe it depends on the voltage. Although you may have the power. Above 100v should be done with a discharge tool. Below is a typical circuit for discharging a capacitor. When you need to work internally on the air conditioner it is imperative that...